Retro Gaming just got Micro-sized with the Super Micro Space Invaders Keychain Gamer from HyperMegaTech! Small enough to fit onyour keys and go anywhere but large enough to be playable. Features the classic game Space Invaders - officially icensed! The 2"" Rgb screen allows maximum playability, along with a volume control for just the right amount of sound makes this more than a novelty. Requires 3x Aaa batteries (not included).