student engagement is a variable

All teachers experience this but it is not always pointed out. We like to emphasise the positives. But the reality is that our well thought out programs don't always work for all students. This paper profiles three different types of students found in the Stanford Learning Fabrication Laboratory. The authors then make some recommendations of how to develop classroom environments which have a better chance of engaging all students.

Marcelo Worsley & Paulo Blikstein. Designing for Diversely Motivated Learners (2013). pdf available.

Based on the research of others the current authors develop a descriptive framework for levels of interest and commitment: ‘hanging out’, ‘messing around’ and ‘geeking out’

Jason
Geeking out

• interested in video games, programming and curious about science
• spends his lunchtime in the lab
• frustrated by structured tasks, wants to do own thing
• indifferent to peer connections

Delia
Messing around

• would start any description of her project with, “it’s complicated.”
• Extremely diligent, including HW – Powerpoint slides, Visual Basic, GoGo Board coding, questions to staff by email
• expected just in time help
• She needs structure
• High satisfaction when the project worked
• socially interactive across domains

Shawn
Hanging out

• Disruptive, disrespectful, inability to remain on task
• more interested in socialising than working
• Found he was better at Corel Draw than his peers
• a task of making a key chain for others appealed to & motivated Shawn & his group
• Their ambitious CREAM (Cash Rules Everything Around Me) project was abandoned as too hard

RECOMMENDATIONS FOR TEACHERS IN A FAB LEARN LAB ENVIRONMENT

1) Identify student interest & motivational level.
2) Develop a curriculum that has alternative, easier tasks for students with low interest or motivation, eg. hands on mini projects. Try to provide multiple entry and exit points with different levels of scaffolding. It's hard to do this first time you teach a new course but as you get to know all the possibilities better you can offer more options to students.
3) Additional interesting lab demos may spark interest for some who are not motivated

I would add another point here. Set up an expectation that students will either help others or ask for help.

FOOTNOTES
Marcelo Worsley bio

Not directly relevant to this article but when googling for a pic of the Stanford Learning Fabrication Laboratory I was blown away in discovering how many making classes and making spaces they have. Follow the links and you'll see what I mean.

PAPERT'S IDEAS: MAINLY FROM MINDSTORMS

I first published this in October 1991. Have the ideas of Piaget, Papert, Minsky, Solomon, Turkle stood the test of time? Yes. But still more does need to be said ...

MISSING OUT ON THE MINDSTORMS

Before I read Mindstorms and had only read about Mindstorms I gained the impression that Papert's educational philosophy was open ended discovery learning and that was about it.

Some of the articles that I have since read about Logo or about Papert's philosophy convey just this sort of impression. They talk vaguely about the "Logo philosophy" and about how some teachers who use Logo are aware and others are not aware of it.

It could be that either some Logo commentators do not understand Papert or, alternatively, they water him down so as to make him appear more respectable. I don't think that this is right. If Papert's ideas are important then we ought to find out what he is on about and if they inspire us, passionately propagate them. After all, ideas when they are put into practice do change the world, either for better or for worse.

At best, some writers about Logo talk about the importance of Logo to problem solving, debugging (children reflecting constructively about their "mistakes") and using Logo to develop learning about learning and all that guff. In other words, the sort of reflections on Logo that often pass for informed educational comment are so consistent with current modern educational thinking they would scarcely cause a ripple in the mind of the informed teacher. No Mindstorms here!

In my view the central tenants of Papert's thesis are educationally, socially and politically somewhat more radical. So, what is Papert really on about?

CONSTRUCTIONISM

Papert's beliefs are rooted very firmly in Piaget's findings about children's learning. Papert worked with Piaget for 5 years, applying his own expertise in maths to help build Piaget's theories. Two points from Piaget stand out:

• Children build or construct their own intellectual structures.

From this point arises the obligation of the modern teacher to restructure traditional subjects such as maths to fit the child. Hence, Papert has restructured maths by inventing the computing language logo to fit the natural development of the child.

• Children build on what they know. Piaget's term for children's continual balancing of existing cognitive structures with new experiences is equilibration.

From this point arises the obligation of the modern teacher to investigate the cognitive structures of their students and to interact with those cognitive structures in a subtle, not a heavy handed manner.

Piaget found that incredible amounts of learning occur without formal teaching. In his work, Papert tries to discover and promote the factors that are causing this "hidden" learning and also asks: Why is it that learning often does not occur with formal teaching (and often does occur without formal teaching)?

MATHSLAND: RESTRUCTURING TRADITIONAL KNOWLEDGE

Piaget was not an educational psychologist but a genetic epistemologist. These obscure words are highly significant. Papert has recently moved to a new lab at MIT which has been named the Learning and Epistemology Group. Clearly epistemology is central to the concerns of Piaget and Papert. So, what is epistemology and what is genetic epistemology?

Piaget has recognised it as a mistake to separate the learning process from what is being learned. The study of what is being learned is epistemology. Hence, a genetic epistemologist is a person who investigates the evolution of the structure of knowledge in the minds of young people!

This is a much more dynamic conception than a traditional psychology of the learning process which passively accepts the traditional structure of knowledge as a given. Piaget and Papert are suggesting that there is a dialectical relationships between knowledge and people. Papert quotes Warren McCulloch tellingly to make this point:

"What is a man so made that he can understand number and what is number so made that a man can understand it." (Mindstorms, p. 164)

In looking at learning it is not enough to look at "learning how to learn" (ie. concentrate on the learner) but we need to study the basic structure of the subject itself. Papert investigates the basic structure of mathematics in some detail including a critique of the formal logical thinking emphasised in Bertrand Russell's Principia Mathematica and the "new math" of the 1960s/70s. In Piaget/Papert's view the basic structure of maths is derived from the thinking of the Bourbaki school: order, proximity (topology), combination (algebra).In Papert's view it is not natural that advanced maths ideas are inaccessible to most. What Papert has tried to do is restructure maths so as to accommodate the natural tendencies of the child. Instead of mathophobia Papert hopes to create a mathsland where it will be natural to learn maths, like learning to speak French in France.

Logo was designed with this philosophical/mathematical background in mind. Logo was developed as a language so that mathematically naive users could learn how to program and control the computer as well as more sophisticated users.

TOOLS, CULTURE AND PEOPLE

Change is inevitable but widespread change will only occur when there are significant changes in the wider culture. This applies to both social change and change in patterns of intellectual development.

The printing press on its own did not create poetry, but by spreading poetry around it helped to create new poets. The steam engine on its own did not create the industrial revolution. Tools are made by people and when tools call out for revolution they will speak through people.

Computers will not create an educational revolution. Forget about computers (for a minute!); culture is central to change! Papert is not a mechanical technological determinist. He is more on about reconceptualising traditional subject domains and using, in this instance, the computer as a tool to help do this.

This is a vitally important point when we come to evaluate the effectiveness of logo for if logo is implemented as a technical act (in a formal, teacher centred, Instructionist classroom) then obviously Papert's beliefs are not being given a fair trial. Papert has clearly rejected this technological determinism:

"Technocentrism refers to the tendency to give a ...centrality to a technical object - for example computers or Logo ... (this) betray(s) a tendency to reduce what are really the most important components of educational situations - people and cultures - to a secondary, facilitating role. The context of human development is always a culture, never an isolated technology ..." (Papert, quoted in Solomon, p.128)

Since culture is central to change then it follows that a teacher ought to aspire to be an anthropologist. The computer is merely one important recent addition to the cultural landscape. The question that the anthropologist/teacher ought to focus on is which cultural materials are relevant to intellectual development

The computer will not replace the teacher. On the contrary, teachers will have to become more skilled to incorporate the new technology into the overall educational context:

• Skilled in modern learning theories and psychology
• Skilled in relating to a variety of children
• Skilled in detecting new, important elements of their student's culture
• Skilled in cross curricular applications
• Skilled in computing
• Able to apply a variety of skills creatively

These skills are necessary for a modern educational system. Currently, one of the main problems with regard to developing creative applications of computers in education is training teachers with these skills. But lets not blame the teachers for this when education departments and governments are not providing the time, the infrastructure or the educational insights to make it all possible.

Papert has proposed a new field of teacher training called humanistic computer studies, where:

"In my vision of this field its professionals will need special combinations of competences. Apart from a foundation in scientific knowledge and technological skill they will need high degrees of psychological sensitivity and 'artistic' imagination. For the ones who will make the greatest social contribution will be those who know how to mold the computer into forms which people will love to use and in ways which will lead them on to enrichment and enhancement...." (from Solomon, p.133)

THE ROLE OF THE COMPUTER

If culture is central then what is the role of the technology? The new technology provides the underlying basis for a radical change in the educational and social system. Computers are obviously an important new part of our popular cultural landscape and everyone agrees that their influence will grow in the future.

However, the point is that the future possible pathways for education and society are manifold and that these decisions will be made in the cultural and political arenas - popular culture often determines political expediency. Logo taught in a constructionist framework represents a great educational opportunity but unless cultural persuasion and political pressure is brought to bear on the formal education system then the opportunity will be lost.

In today's world computers will usher in new cultural change but the sort of change that occurs will be fought out socially, in the world of business (how can productivity be maximised?), in the world of institutionalised education, in schemes for alternative schools, in the home with PC's, in the Arcades with the latest computer games. There is no social inevitability about the future pattern of usage of computers.

Computers may be used to mechanically increase productivity by crunching words, numbers and data. Others will use them as an expressive and creative tool to develop individuals with new insights into traditional subject domains, including human psychology. As a tool the computer is versatile enough to do both! Alan Kay has claimed that the computer can be used to simulate anything:

"...[the computer] is a medium that can dynamically simulate the details of any other medium, including media that cannot exist physically ... it has degrees of freedom for representation and expression never before encountered and as yet barely investigated." (Sunrise Notes Number 2, June 1990, p.29)

Papert says that the role of the new technology is twofold: both instrumental and heuristic.

Instrumental simply means that as computers become cheaper, more powerful and more popular they will carry and spread the ideas and social relations embedded within them amongst larger and larger groups of people. Papert expresses the instrumental role of computers spreading ideas around very powerfully with the metaphor "computer as pencil".

The heuristic influence of computers is a more complex and surprising idea.

Computing science is not fundamentally a technical science of computers. Rather, most of it is the science of descriptions and descriptive languages. Hence computing science (especially AI research) has something to offer learning theory, since descriptive languages are used to talk about learning. At an elementary level it is clear that concepts such as input, output, feedback, subprocedures (modularisation), recursion, debugging and extensibility could provide at least part of a framework for explanations of biological and human behaviour.

Papert and Minsky argue that ideas from computing science are instruments of explanation of learning and thinking. More, they are instruments of changing, altering the way in which we learn and think. In this way computing science and AI Research has ushered in a whole new theory of human psychology as outlined by Minsky in Society of Mind.

PAPERT'S CRITIQUE OF THE EDUCATION SYSTEM

Those who invented the automobile didn't do so by an in depth study of the horse and buggy! This is Papert's comment on the educational horse and buggy!

Papert is scathing of the established education system. He perceives our present schooling process as a technical act under the guiding methodology of Instructionism.

Although instruction is fine and an inevitable part of everyone's everyday learning this is different from Instructionism which is the entrenched methodology of a central person or curriculum transmitting pre-established pieces of information to an essentially passive, captive audience. Papert is against the teacher as technician under the control of the curriculum, against centralised control, against hierarchy, against the whole notion of a centralised curriculum and against accountability and national testing based on the above precepts. In short, Papert is swimming against the current winds of educational tightening up in this country but in doing so he is giving us some powerful weapons to effectively oppose the current disastrous, straight-jacketing trend. Papert's weapons are the ideas outlined above, computer software (logo) and computer hardware (LEGO).

In a dynamic, living culture there is little place for a centralised curriculum because the culture will generate its own interesting, unpredictable challenges on a day to day basis. Attempts to impose a curriculum onto this culture would only serve to cramp the style and creative interest of those who work within the culture.

Instructionism is misguided because it treats children as empty vessels to be filled up with knowledge. Instructionism ignores Piaget who emphasises that children construct their own internal mental worlds by integrating new information with already established structures (equilibration).

Hence, Piaget's findings and not computers as such are at the centre of Papert's radical critique of the education system. Papert would oppose the use of computers for Computer Aided Instruction (CAI) such as maths drill as a band-aid to patch up a basically sterile system.

In opposition to Instructionism, Papert advances the guiding principle of Constructionism for creating a humane and enriching education system. The learning environment is about building and creating things, eg. building rich cognitive structures internally and building things like LEGO machines externally. In this environment the teacher is first and foremost a fellow learner (who might spend more time instructing others simply because he/she may know more).

There is nothing new in Papert's critique of the education system up until now. In the history of education there has always been alternative schools with an emphasis on freedom. These movements have never really caught on partly because "...they were unable to handle the more formal aspects such as mathematics or grammar or many parts of science."(Papert, address to WCCE, 1990). So, what is new in Papert's vision is the use of modern technology (computers with logowriter and LEGO TClogo) to make possible interesting constructivist maths, science and grammar for perhaps the first time ever, historically.

CONCLUSION

Many teachers are enthusiastic to start with. Then, after ten years many teachers are burnt out Instructionist hacks, despite their best intentions. Don't blame the teacher, blame the system.

Fundamentally, Papert influences us because, if we really listen to him, he politicises the educational debate in a highly practical way. Papert has taken the most traditional subjects - maths and science - and has begun to restructure them to fit the user. Papert and his supporters have created an interesting maths-land and science-land that are both user friendly and powerful learning environments.

Hence, Papert and the MIT group are creating conditions that make it possible for people to become passionate about educational options. LEGO TClogo is something that you can take home and happily play with! It is hard to be passionate about maths drill and practice style textbooks, or Instructionism - broadcasting essentially the same lesson year after year, marking Common Tests, or whether Sarah was really worth a low A or a high B. Constructionism and Logo is different. It fits the user and has no ceiling in terms of expertise.

Papert's ideas have the power to change lives and to change whole education systems (eg. Costa Rica). Of course this will require a tremendous and possibly protracted educational/political struggle since the Instructionist model casts such a long shadow. As in all meaningful struggles the outcome is far from certain.

Since Papert's ideas are revolutionary they are not for the faint hearted. It is very difficult to mentally step outside of a system you are working in, that you are part of, that you help to reproduce by your day to day actions and then to turn around and to say that it is fundamentally at fault. It is easier for Papert to make this critique than it is for a practising classroom teacher. In the final analysis, Papert invites us to have the courage to embark on the adventure of tearing down the old ways while creating the new ways of teaching and learning.

REFERENCES:

Papert, Seymour. Mindstorms: Children, Computers and Powerful Ideas. Harvester Press, 1980.

Papert, Seymour. Peristroika and Epistemological Politics. Address to the 5th World Conference on Computers in Education, Sydney, Australia, July 1990.

Solomon, Cynthia. Computer Environments for Children: A Reflection on Theories of Learning and Education. The MIT Press, 1987

Turkle, Sherry. The Second Self: Computers and the Human Spirit. Simon and Schuster, New York, 1984.

Microbit course outline

This is an outline of key features of a Digital Technology course, using the microbit, which I have taught to year 8s this year. The time allocation was 17 hours (two 1 hour lessons per week over a 9 week term, with one holiday day subtracted)

Vocab sheet: I produced a vocab sheet with 30+ words. We talked about the words and their meanings at suitable times during lessons. Later on in the course I modified the sheet by including a mix and match list.

Reference:
Maas, Pauline & Heldens, Peter. The Invent to Learn Guide to the micro:bit.(2023). This was my primary reference, referred in situ by M&H, page number. There are other great project ideas in this book that I didn't have time to try out.

Lesson 1: I distributed microbits and discussed its features. Our aim will be to make artifacts that perform in some way using the microbit. We’ll often work in groups so tell me your preferred partners

Lesson 2: Heart beat, Name badge, animations, starry night, starry night challenges

Lesson 3 and 4: Dice simulation. I told the students to play “Pig” with a real dice first and then play it again with a dice simulation on the microbit.

Coin simulation. I told them to play “Two up” with real coins first and then using a coin simulation.

Measure the temperature (then warm up your microbit in your hand to increase the temperature)

Shake it up. Vary the LED icon with small shake, medium shake and big shake.

LED war (two player game with 2 microbits using radio to communicate). Press the A button to put random LEDs on your microbit. Press the B button to wipe off random LEDs on your opponents microbit. You win the game if all 25 LEDs light up.

Challenges: Make a better game – 10 LEDs appear with one A button press; 10 LEDs disappear with one B button press; add sounds

Lesson 5: Fruit music (M&H, 42). Although this works better with the Makey Makey with the microbit you can use 3 pieces of fruit connected to pins 0,1 and 2 for 3 notes and then use the A and B buttons and logo for 3 more notes. I provided the notes for twinkle star. Challenges include different types of fruit, testing beakers of water for conduction and devising or looking up your own tunes.

Lesson and 7: Unicorn Greeting Card (M&H, 25). This utilises the microbit pins to light up a LED which becomes the eye of the Unicorn.

Lesson 8-11: Helmet. I adapted an idea from Rob Morrill’s Circuit Playground course here and broadened it out. Students made a cardboard helmet complete with a 0.5m neopixel strip. I provided a wide variety of ways in which they could code their helmet.

• Display and change colours using buttons, shake and tilt
• Sound input: talk, sing or whistle to your microbit. The challenge here was to make the harder to get louder sounds colours stay on for longer
• Show and rotate a rainbow using light. The challenge here was to make the rainbow rotate faster as you shine more light onto it
• Random colour changes. This started with all pixels red and then various button or logo presses led to random pixel colour changes. Finally a shake was used to create millions of random colours which changed rapidly for an extended period.
• Range of colours. The code was provided to set the first and last 7 pixels to rainbow colours (ROYGBIV) and the inbetween colours to flashing between white and black. The challenge here was to change the colours and speed of the flashing white to black.
• Accelerometer. Initially the neopixels are all green but when tilting the head one way they flash blue/black and when tilting the other way they flas red/black.

To accompany the helmet activity I produced a sheet which asked questions to test comprehension of some of the coding and hardware basics (about the battery voltage, about ms, about bits and bytes, etc)

There was too much coding here for some of the students. I felt the course momentum became bogged down here for some. When I do it next time I’ll assign the different coding tasks to different groups and ask them to demonstrate their results to the others.

Lesson 12-13. Servo introduction and Turkey Trot (M&H, 36) is a straightforward build and coding introduction to a positional servo. The coding challenge asks students for a medium, fast and slow rotation variation.

Lesson 14-15: Art machine (M&H, 118) is an interesting use of a continuous servo. Strong connections are needed for the clothes pegs. The coding challenge is for circular rotation, back and forth rotation and then try to obtain a straight line

Lesson 16-17: Ask students to develop their own projects which incorporate either servos or neopixels. One group used a 1 metre neopixel strip and designed a scarf. Another group used a continuous servo to design a helicopter. Only about 4 students out of my class of 12 kept up with the pace I was expecting so the majority ran out of time and didn’t complete their own design. Longer lessons would have helped here but schools don’t always keep up with the organisational structure required.

Voting NO to The Voice

I would read it like this.

The YES vote is a grab by the black bourgeoisie aka the aboriginal industry for a bigger slice of the cake. Although the most disadvantaged people do need some sort of extra support that works I haven’t seen a good argument that the Voice will do the job. The aboriginal industry hasn’t been very successful so far. Why should giving them a permanent fixture in the Constitution improve things? This will certainly end up pissing off a significant section of Australians. I can’t see why one section of the population should have privileged access forever to those who decide things. It implies that disadvantage will never be overcome.

Perhaps the task here should be to develop policies that will “close the gap” and find the people to implement those policies. This is a genuinely hard problem to solve amongst the babel of welfare dependency, grog, black on black violence, self interest, victim mentality, cultural confusion, first language issues, real difficulties of remote delivery of services and historical trauma. Interesting that some of those in the YES camp who appeared to have a good understanding of these issues have now descended to name calling (Marcia Langton, Noel Pearson).

The archaic sentiments in sections of the Uluru statement are not central to the discussion. You can’t imagine Marcia or Noel longing for a return to pre colonial days. My guess is that they represent a compromise to bring the different tribes together and present a united front. But who knows?

The NO vote leaders (Jacinta Price, Warren Mundine, Anthony Dillon) do have some sort of realistic plan (although not always clearly articulated) to improve the lot of the most disadvantaged Australians (remote aboriginals). They argue that commonalities between A&TSI and the rest are more important than differences. And that the disadvantaged A&TSIs need to find the same things that the successful have already found (good education, good job, buy a house etc.). I just think they need to spell out the detail more in order to overcome the litany mentioned above.

There was a booklet called “Beyond Belief” which came out in 2022 outlining several different arguments for the NO vote. Some of it was new to me, especially the prospects of High Court interventions if The Voice advice is not adopted. Anthony Dillon (especially) and Warren Mundine have been publishing their arguments on X (formerly twitter) throughout this year.

the AI debate

Broadly here are the positions I am picking up from reading the experts. They all seem to have strong arguments:

• This is a great productivity tool which will make me more efficient & innovative, save me time and make money
• It’s too unreliable and not really intelligent (stats on steroids), it’s another AI hype cycle
• It’s incredibly dangerous, it will lead to humanity being replaced by a less insightful species / super intelligence

scaffold for the Turtle Art Tiles Project

I've developed a sequence to help students towards interesting designs for their Turtle Art Tiles Project. This turned out to be a combination of some shapes from Barry Newell's old booklet and some others I discerned from the images in the Project itself. The idea is to start students on simple shapes and then show them hints to some pathways to more complex shapes.

Reference:
Newell, Barry. Turtle Confusion (1988)
Stager, Gary & Martinez, Sylvia. Turtle Art Tiles Project Guide (adapted from the original Josh Burker article)

ELECFREAKS Nezha kit workshop

What appeals to me about this kit:

• It’s much cheaper than the established kits (Spike LEGO costs $670 AUD, Nezha kit costs $212 AUD when you include a micro:bit)
• They have setup a wiki with 72 build cases so you are never going to run out of things to build
• Design for Designers principle: Some, actually quite a few kits are too finished and polished. But with the Nezha kit you can design a wide variety of interesting things, it is not finished or limited to a narrow range of functions
• Their wiki takes you through the building and coding step by step.
• Like other LEGO kits it simplifies the building process because all the things you need to build with come with the kit (although this is both a positive and a downside when you think about it, long story)

There are some problems with the Nezha kit too:

• The LEGO build diagrams in the wiki are too small IMO, although usually very helpful, they are sometimes difficult to decipher clearly. I suppose a good side of this is that you sometimes have to think carefully when building, not just blindly follow. But experience shows that some students become frustrated and spit the dummy
• It doesn’t come with a compartmentalised case so you need to find an old LEGO case or some such to organise the pieces
• Tight fits, I needed pliers to remove some parts when unpacking (can be an issue with all LEGO)

update 7/8/2023 more problem issues:
When you look more closely at the Nezha's 72 cases you realise that quite a few can't be made without purchasing additional sensors from ELECFREAKS

For these cases (29 Dazzling Car, 33 Colour Controlled Lights 35 Colour Recognition Car) you need both the colour sensor and the rainbow LED ring, which don't come with the Nezha kit. For these cases (64 The Intelligent Forklift, 66 The Voice Controlled Car) you need a speech recognition sensor.

There are other cases like this that require other sensors as well.

My reaction has been to buy more sensors namely colour, LED rainbow, OLED display, gesture, speech recogniton. I've also bought another Nezha expansion board so I can build two projects at once and a laser and 8x16 matrix. My new purchases came to $117 USD. This still puts the combined price of the Nezha kit (plus my extensions) below that of a Spike LEGO kit.

Goal: To make an Obstacle Avoidance Car
Materials: Nezha ELECFREAKS kit + micro:bit
One good place to start is Case 12: Obstacle Avoidance Car
Online instructions: here
This LEGO build has 18 steps. It is a good one to start with because the LEGO build is not too hard and the finished car interacts with the user in an interesting way.
/update

Learning: Building with LEGO, Ultrasonic sensor for obstacle detection, MakeCode coding, micro:bit experience
Reference:
Nezha Inventors Kit (described and sold here)
Wiki section for the Nezha kit: the 76 cases are displayed here

Some other things I have built with the Nezha kit:

Case 8: Speed adjustable fan
LEGO build: 12 steps
Adjust the speed of the fan with the potentiometer

Case 11: Line Tracking Car
LEGO build 21 steps
The car follows a black line

Now for a more difficult build for advanced students who are prepared to problem solve and persist:

Case 1: The Mechanical Shrimp online instructions
This LEGO build has 33 steps and some of them are tricky, especially given the small diagrams.
The mechanical shrimp moves forward and waves the princers, it will change direction if there are obstacles being detected.
Learning: Building with LEGO, Ultrasonic sensor for direction change, Servo controls the pincers, MakeCode coding, microbit experience

Case 41: The Forklift, online instructions
This LEGO build has 53 steps. I made a few mistakes along the way and had to do some rebuilding.

There is an error in the suggested code on the site. The A button code lifts the fork but doesn't return it to the ground. The B button code works as it should.

Case 44: Tight rope walker, online instructions

I wanted to build this one because it was different. This LEGO build has 57 steps. I had to do some pulling apart and rebuilding at the end to fit in the rubber band.

The code on the site doesn't work very well. The walker goes too fast and only forward. I improved the code. My code makes the walker move backwards and forwards at a suitable pace.

art shaped: Darrell Wakelam workshop

Goal: Make a mouse from an egg carton
Materials: egg box, cocktail sticks, buttons or tin foil, googly eyes, scissors, sharp pencil(!),Tacky glue

Step by step:
https://www.darrellwakelam.com/downloads
Scroll down for the mouse build instructions, it’s the third one down
Or, download the PDF (50 makes)

As with all making you will hit a few frustrating obstacles on the way. That’s why makers become resourceful and resilient learners. I found I needed a sharp pencil to help punch holes for the cocktail sticks which form the whiskers.

Darrell Wakelam is a very creative, smart and generous man. He has the open source spirit. Even though he makes so many resources available for free online I had to buy his book because creative, smart and generous people ought to be supported and promoted.

Reference:
Buy the book!
https://www.darrellwakelam.com/art-shaped
Download the PDF (50 makes)
https://www.darrellwakelam.com/downloads
Watch his YouTube channel 46 videos
https://www.youtube.com/@darrellwakelam5597/videos
Follow on twitter!
https://twitter.com/DarrellWakelam

Elaboration:
So far I have made just three of the designs suggested by Darrell Wakelam.
A mouse from an egg container (see above)

A chameleon from a paper plate

A fish from pasta

These are just a few of the up to a hundred different design ideas he has from recycled materials. I plan to do more.

It’s fairly straightforward, ie. open to nearly all, because many of his designs are on his site for free. You will need a few materials and then follow his step by step instructions

Each activity requires some sort of specialist although easily available materials as well as the materials common to most projects. You could group them into these type categories:
paper plate – chameleon, puffin, caterpillar, baby shark
egg carton – mouse, monkey, chick, easter bunny
toilet roll – pirate ship, rocket ship, icecream, seahorse, heads, bird, flytrap
plastic milk carton – clown, elephant, warrior
just cardboard – castle, owl, sticky fish, starfish
etc.

makey makey guitar workshop

Goal: Make a musical instrument using Makey Makey and Scratch
Materials:
For fun introduction: variety of fruit
For simple guitar: Makey Makey, cardboard, duct or masking tape, scissors, alfoil, silver coins, Computer, Internet, Scratch site access
For other instruments: copper tape, other materials depending on the instrument

1) Make a cardboard guitar
2) Attach 6 coins, label them music notes C D E F G A
3) Alfoil on the neck of the guitar
4) Hook up to the makey makey
Makey key to note connection:
left arrow = C note, up arrow = D, down arrow=E right arrow =F, space bar=G, w key =A
5) Scratch page: makey_guitar
https://scratch.mit.edu/projects/557440765/

Play a tune
C C G G A A G (rest)
Twinkle twinkle little star
F F E E D D C (rest)
How I wonder where you are
G G F F E E D (rest)
Up above the world so high
G G F F E E D (rest)
Like a diamond in the sky ...

Reference:
Burker, Josh Invent to Learn Guide to Fun (2015), pp. 53-64
Josh shows how do makey makey versions of a piano, guitar, trumpet, drums, trombone and unusual instruments

working with acrylics

This follows on from my earlier posts about the Turtle Art tiles project and working with clay. Since I don't have an art background I needed to look up guidelines and then try them out in practice.

• high quality acrylics look much better than the kids version; even so these ones I bought from Mad Harry’s seem quite good to me
• Paper plate for a pallete works fine
• Plastic kitchen place mat from Woolies 
• Don’t let the paint dry. If you are interrupted, then cover with gladwrap
• Wash out your brushes in a glass of water and dry with a paper towel to change colours
• Gently paper towel brushes at end to keep the bristles shaped, stray brush hairs are bothersome
• Blend colours, eg. I blended green and white for the border colour
• I still haven’t bought glaze but plan to do so soon

Related:
working with clay
turtle art tiles project

working with clay

Here are my notes on working with clay to make the Turtle Art designed - 3D printed impression shown above. See the link at the bottom for the back story. My first template was 7.5mm high. I experimented by reducing the height to 2mm so as to reduce printing time. I'm happy with 2mm but you need a pair of pliers to remove the template from the clay.

• air drying clay – wrap in gladwrap after using and place into an air tight container
• Plastic mat - bought at Woolies after failing to find wax (water resistant) paper
• 3D printed template – to make an impression in the clay, 90mm x 90mm x 2mm high
• square perimeter template to neatly cut out around the clay 95mm x 95mm x 10mm

• rolling pin – bought at Coles – I try to roll the clay to 6mm thickness – what I’m missing is a couple of wooden guides at the side 6mm thick, see the pic from the Turtle Art Tiles Project Guide ->
• Sharp knives – I used the smaller one to cut the clay packet and the larger one to trim the edges after I had applied the square perimeter template
• Pliers – I needed these to remove the 3D printed template from the clay after I had made the impression
• Tweezers – I used these to tidy up some raised sections of clay after I had made the impression
• Water – I didn’t use water this time but handy if you have to join sections of clay together. But since our clay work is so simple – just roll a slab of clay to 6mm thickness it normally won’t be needed – if you have to join separate bits of clay just roll them together vigorously and then flatten it out with hand and rolling pin
• Scraper – I used this to remove the clay from the mat after I had made the impression

Related: Turtle Art Tiles Project

turtle art tiles project

Do you want to make this? Looks interesting!

Pics from Turtle Art Tiles Project Guide

I’ve been in possession and an admirer of Josh Burker’s Invent to Learn Guide to Fun book for a while now. My interest was further piqued when Sylvia Martinez and Gary Stager made an online offer of a version of his “Turtle Art Tiles” Project. Then, recently, I was given the opportunity to teach a Year 8 “Inventiveness” class at my school. So, I thought this would be an ideal project for this class.

This project involves some significant transformations from bits to atoms: from Turtle Art, to Tinkercad to 3D prints and then to a painted clay product. I’ve previously had some experience in the first three but working with clay is something new for me.

First up, you make a design in Turtle Art. I didn’t copy either guide here but decided to make a well known tessellation that I had done before:

Through Turtle Art you can then save as an SVG and from there import it into Tinkercad. Once there I used the ruler to resize the shape to 90x90x7.5 mm. Then export the file from Tinkercad as an STL and import it into PrusaSlicer.

Next 3D print the shape and use the print to imprint the clay and, finally, paint the clay:

OK that’s one down and I can probably do better next time, especially with the clay and paint section.

I will now write in more detail about bringing this activity into my Year 8 "Inventiveness" class, which is due to start in a couple of weeks.

I can anticipate issues that will arise. It’s a large (22) mixed ability class. Some of the students will be enthused and eat it up, others will struggle with the complexity of it … coding, variables, file management, the transformations, messy clay and other technical / personal / attitudinal issues I can’t even imagine yet.

Economics: Currently my school is cash strapped. There is no shortage of computers or internet but for the clay steps to happen probably I will have to buy the materials myself. Partly because of that I’m thinking about alternative pathways. But I have other reasons too.

Bottlenecks: I’ll be taking my own Prusa 3D printers to school for students to use. I own 4, two MINI+’s and two MK3S+’s. But four is not enough given that 3D printers are slow. So, at this stage of the process I’ll need to create larger groups, perhaps size 4, and students will decide on which print will go ahead.

Pathways for all: This project is really interesting but I wouldn’t describe it as easy. It fits more into the “hard fun” category first described by Seymour Papert and further pursued by Burker et al. Also, Paulo Blickstein & Marcelo Worsley warn us that most children are not hackers and good teachers should provide alternative pathways, something to suit all. It’s good to challenge students to leave their comfort zone but if we make it too hard then some are likely to shut down. This leads on to the next points.

SOME BRANCHING ALTERNATIVE OPTIONS

Turtle Art Colouring in: The patterns can be coloured in at the Turtle Art stage using the start fill and end fill blocks. There is room for artistic expression here.

This colouring has been done by Turtle Art

Shape making: Barry Newell has written a lovely book called “Turtle Confusion” which contains 40 shapes that gradually increase in complexity. Shape 1 is a square. From shape 16 on the shapes become combinations of earlier shapes. This sheet provides different levels of complexity and in that way suits a mixed ability class. I’m in the process of developing a new sheet based partly on Barry’s 40 shapes and partly on some of the shapes shown in the picture above, taken from the Turtle Art Tiles Project Guide.

Shape 32 from Barry Newell's sheet is composed from lines, squares and an octogon.

My refactored Barry Newell sheet showing pathways between shapes

Group work: Students should sometimes work individually (eg. when learning Turtle Art initially), sometimes in groups of two (eg. when working on more complex shapes) and sometimes in larger groups (eg. when working with the 3D printer and clay).

Open Source: At some stage I should make the Turtle Art work that the more capable students have produced available to all. Otherwise some of the less capable students won’t end up with a good design to go to the next stage.

Paper and pencil work from 3D printed templates: Instead of the clay step some students might opt for a paper and coloured pencil alternative. That is, using a modified 3D print to trace the pattern onto paper and then creatively colouring it in. For those who choose this path it would be better if their 3D print had narrow walls, which are set at the Turtle Art step (default pensize is 4, reset to 1). So there needs to be planning ahead for this option.

Actually, this is an old one I did use cardboard templates (hexagon, square, triangle)

Necklace option: I could offer students the choice of making a 3D printed necklace, rather than a clay tile finished product. This is described in Josh’s “More Fun” book using Beetle Blocks software (pp. 86-88) but that could be adapted easily to Turtle Art software.

Here are 3 random sized outputs of a rotated heptagon necklace in the slicer and after printing.

All of this strikes me as a pretty reasonable outline for my Inventiveness class – motivating, multifaceted learning and a safety net for challenged students. In the process I’ve revisited some of my established skills and learnt some new ones too.

Reference:
Blickstein, Paulo and Worsley, Marcelo. Children Are Not Hackers (2016)
Burker, Josh Invent to Learn Guide to Fun (2015), pp. 107-113
Burker, Josh Invent to Learn Guide to MORE Fun (2018), pp. 86-88
Newell, Barry. Turtle Confusion (1988)
Stager, Gary & Martinez, Sylvia. Turtle Art Tiles Project Guide (adapted from the original Josh Burker article)

Software:
Turtle Art https://www.playfulinvention.com/webturtleart/
Tinkercad https://www.tinkercad.com/
PrusaSlicer https://help.prusa3d.com/article/download-prusaslicer_2220

100 words for CAIN

My 100 word introduction to the new Central Australian Innovation Network (CAIN):

21stC maker education should include the 3 game changers: block coding, microcontrollers and at least some 5 types of machines found in a Fabrication Lab (Vinyl cutter, 3D Printer, Laser cutter, CNC machine & Digital Embroidery machine). Then we can move towards making almost anything, transforming consumers into producers.

One thing I have made using these technologies is a Sierpinski pyramid lamp. This involves maths (the fractal Sierpinski pyramid), 3D printing using transparent fiament and the Circuit Playground Express which is coded to light up the pyramid.

The possibilities are endless

- Bill Kerr

Related:
Sierpinski Pyramid Lamp
Sierpinski Pyramid

Lex Fridman interviews Neil Gershenfeld

Promising start to an interview LOL:

Lex Fridman: You have spent your life working at the boundary between bits and atoms, so the digital and the physical. What have you learned about engineering and about the nature of reality from working at this divide, trying to bridge this divide?

Neil Gershenfeld:

• I learned why von Neumann and Turing made fundamental mistakes.
• I learned the secret of life. I learned how to solve many of the world's most important problems, which all sound presumptuous, but all of those are things I learned at that boundary.

https://www.youtube.com/watch?v=YDjOS0VHEr4

self sufficient production

A Fab Lab in Iceland

I've updated my reference list to my 2021 Fab Lab article, Your town needs a community Fab Lab. I'll provide a brief big picture summary of the potential again here. The Fab Lab initiative can achieve the following:

• personal design of commodities when required or desired
• local production, global shared design (open source hardware and software)
• personal production of almost anything
• training opportunities in the required digital and manufacturing skills
• access to almost anyone, after some essential training
• an educational reform agenda to bring education into the 21stC
• reduced cost in commodity production due to far fewer supply chains
• recycling of "junk"
• possible to achieve both quality and quantity commodity production

Neil Gershenfeld describes this transformation as the Third Digital Revolution, meaning the interchangeability of bits and atoms to achieve personal fabrication of almost anything (contextual note, the 1st digital revolution was the Internet - dramatically enhanced communication; the 2nd digital revolution was computation - available to all due to the shrinking size and cost of computers be they PCs or smart phones). Rather than another new commodity, the idea of the Fab Lab is to put the means of production into the hands of more and more citizens. See my earlier article for a list of the 5 types of machines that are found in a Fab Lab.

REFERENCE UPDATE: (see original 2021 Fab Lab article for full references as well as more detail)
MIT Professor Neil Gershenfeld on How to Make Anything (Almost). (video, 28 minutes, 2023)
Gershenfelds. The Promise of Self Sufficient Production (2021)
Coronavirus tracking project for fab lab network development and deployment (2020)
Gershenfelds. Soon You’ll Be Able to Make Anything. It’ll Change Politics Forever (2018)

maker education resources update

Technology, Tools ... Curriculum. You might be sold on the technologies (for example, the micro:bit) and have purchased the tools you need for maker education (servos, glue guns etc.) but you haven’t got time to develop a comprehensive curriculum which makes the most of those tools.

Not to worry, a very smart person has probably developed the curriculum you need. This blog is an update and reiteration of some of those curriculum resources

1) Micro:bit curriculum
A new Micro:bit book published by the Invent to Learn group
Maas, Pauline & Heldens, Peter. The Invent to Learn Guide to the micro:bit.(2023) is all you need to get the most out of the micro:bit. It is written by teachers for teachers and deals with all the issues involved there. I plan to use it next term with a Year 8 Digital Technology class.

2) Circuit Playground Express (CPX) curriculum
Maker Course for the Adafruit Circuit Playground Express I’ve written about this one before. Rob Morrill has written a great course based on the CPX technology. We have been running this for a few years for Year 7s now at one of my schools and the course is very popular.

I'm now working part time in an all aboriginal student school and this has encouraged me to search out maker activities without using a computer at all.

3) Darrell Wakelam has a wonderful website and very generously has made many of his materials available for free online, here

#ArtJumpStart is a collection of easy art projects to try at home using materials from your recycling. Download the full collection as a PDF or browse the images below

His book, Art Shaped: 50 sustainable art projects to kickstart children's creativity, can be preordered through Bloomsbury (available in May this year)

4) Rob Ives books

Rob Ives has published large collection of books and the details are available on his website

I have bought one, Build It! Make It! Become a Super Engineer (2020)

First impression – some of the designs require complicated materials but others are simple and good.

ANOTHER USEFUL RESOURCES
5) Jason Erdreich Projects

This has roughly 100 projects of all sorts, I'm still checking these out.