YouTube user, Marc Kerger, used 3D printing, Arduino and LED lights to create this fully play-able TETRIS T-shirt for the game’s 30th year anniversary! Very well-played, sir… literally! http://www.buzzfeed.com/richardhjames/this-guy-has-made-a-playable-tetris-t-shirt-and-it-looks-awe.
Check out, Brilliant LED Projects: 20 Electronic Designs for Artists, Hobbyists, and Experimenters, by Nick Dossis for other neat projects with LED lights! http://www.amazon.com/Brilliant-LED-Projects-Electronic-Experimenters/dp/0071778225/ref=sr_1_1?ie=UTF8&qid=1404402704&sr=8-1&keywords=0071778225.