The Desktop USB Missile Launcher.

This desktop missile launcher uses pressurized air to shoot three foam projectiles up to 10', and unlike lesser models, this one does not require the use of batteries and is powered by a PC via USB cable. The included software CD installs a control panel on your computer, allowing you to swivel the launcher 180°, tilt 45°, and shoot missiles at unsuspecting targets at the touch of a button. Includes missile target. 7" H x 3 1/2" Diam.