Upper Story’s Turing Tumble and Spintronics are solid favourites in our house too. Weaving a graphic novel into the instruction / tutorial book is a brilliant tactic which really helped my eldest grasp the concepts covered.
Spintronics also helped give me a new perspective on electrical current, current division and capacitance. Seeing and feeling resistance in the chain, how little/no load results in high current (chain link throughput) was more valuable than the “water in a hosepipe” analogies I learnt in my University EE classes. Really looking forward to induction in the expansion set.
I was curious about the company, and discovered that the co-founders are a husband and wife couple who were in engineering and education respectively before starting the company. I’m glad to see they are able to operate profitably without listing on Amazon, and hope they continue to release more excellent educational engineering toys that I can explore with my kids.
https://upperstory.com/turingtumble/
My sons (7 and 9) love it, and both have some grasp of binary thanks to it.