Shoots 10 feet! Control it with your computer, aim at the "Dwight" in your office bank! ;D
http://www.vat19.com/dvds/usb-missile-launcher.cfm
Circus Style
http://www.vat19.com/dvds/usb-cannon.cfm
"This toy can kill" warning video :o
http://www.vat19.com/dvds/trailertheater.cfm?select=usb-cannon