Reminds me of this project from a few years ago: a two-person hot-rod driven at up to 20mph by a 256-cylinder compressed-air engine, constructed out of Lego...

Reminds me of this project from a few years ago: a two-person hot-rod driven at up to 20mph by a 256-cylinder compressed-air engine, constructed out of Lego... https://www.youtube.com/watch?v=_ObE4_nMCjE https://www.youtube.com/watch?v=_ObE4_nMCjE