Reminds me of what Frithjof Bergmann called our "poverty of desire" in his (excellent) book: New Work New Culture: Work We Want and a Culture that Strengthens Us
If you're interested in kids + computers + education, this 1955 Technology in Education House Committee Meeting is a surprisingly great watch, and has Kay alongside Seymour Papert:
https://www.youtube.com/watch?v=hwsQn1Rs-4A
Wow, this looks so cool. Do you have a BOM or some schematics or even source code lying around? I would be interested to try something like this myself.
I found working with relatively simple 8-bit microcontroller architectures (e.g. Atmel AVR, Microchip PIC), studying the datasheets and programming them in assembly, to be an effective and gratifying introduction to the basics of CPU architecture.