We made on of these at my school - kid's thought it was incredible. https://www.youtube.com/watch?v=ClEEPBDfA0Y https://www.youtube.com/watch?v=ClEEPBDfA0Y We

We made on of these at my school - kid's thought it was incredible. https://www.youtube.com/watch?v=ClEEPBDfA0Y https://www.youtube.com/watch?v=ClEEPBDfA0Y We want to make ones that sit vertically on our actual whiteboards and run off more permanent power-supplies.