Most lamps turn on or off, but you never actually get to play or have any fun with them, but that all changes with the cool new Tetris Stackable LED Desk Lamp. This ingenious lamp is based on the infamously addictive Tetris video game and has seven individual interlocking neon-colored block lights that can be stacked in any combination. Each LED block lights up when stacked together and they turn off when removed. The good thing is that the blocks don't disappear when you complete a row and the bad thing is that the blocks don't fall by themselves.
Tetris Stackable LED Desk Lamp