Amazing Tetris Shirt! You can play the famous video game on a shirt! <br />The gamer explains : <br />Here is a project I just finished, just in time for the 30th anniversary of Tetris. a T-Shirt you can play. with an arduino uno, 4 AA batteries and 128 LEDs. <br />I always wanted a playable Tshirt, well now I made one myself. based on the pumpktris from instructables.