Seems like this is what Matt Parker built together with some other people a few years ago: https://www.youtube.com/watch?v=R9c-_neaxeU&ab_channel=Stand-upMaths

Seems like this is what Matt Parker built together with some other people a few years ago: https://www.youtube.com/watch?v=R9c-_neaxeU&ab_channel=Stand-upMaths https://www.youtube.com/watch?v=R9c-_neaxeU&ab_channel=Stand.... It's incredibly inefficient compared to running it on a computer, but an amazing way to teach kids about this.