The subject invention provides an amusement device and method of play using the device, wherein the device includes a gun for shooting a liquid and/or a light beam, wherein the gun comprises a generally elongated barrel, a tank for containing a liquid, a source of power, a pump for pressurizing the tank,...http://www.google.com.au/patents/US7410405?utm_source=gb-gplus-sharePatent US7410405 - Amusement device and method
