Post #2592393

@mjd@mathstodon.xyz @robinhouston@mathstodon.xyz @simontatham@hachyderm.io Not quite what you are looking for, but Devin Montes (Make Anything, https://www.youtube.com/@make.anything/videos) made puzzles based using the same mechanisms of balls on interlocking tracks (https://youtu.be/eESLIrxw2x0?t=840). These are inspired by https://www.astrolabacus.com/.