Haven't tried this with kids yet, but "coloring computers" might be a cool thing. You can find it here: Coloring computers: non-electronic computers that work

Haven't tried this with kids yet, but "coloring computers" might be a cool thing. You can find it here: Coloring computers: non-electronic computers that work when you color them https://ipfs.io/ipfs/QmYz7DPRWypGQcbAHr7Mi8EKB6ntSPsEnUsCXbAhBiHQZP/ https://ipfs.io/ipfs/QmYz7DPRWypGQcbAHr7Mi8EKB6ntSPsEnUsCXbA... And the recent HN discussion: https://news.ycombinator.com/item?id=31393501 https://news.ycombinator.com/item?id=31393501