Toys for people with ADHD are all the rage – people pay for things with switches, moving clicky bits and spinney things because, reasons:
This paper toy continues to be an enigma. Made of 4 modules, it is a twisty cube that also folds flat in a myriad of ways that break your brain.
The use of colour makes it doubly fascinating (but probably harder to photograph).
Made from A5 sheets, simple folding but I am still messing with it, days after folding it – fun.