The invention provides a unique interactive play experience carried out utilizing a toy “wand” and/or other actuation/tracking device. In one embodiment the wand incorporates a wireless transmitter and motion-sensitive circuitry adapted to actuate the transmitter in response to particular learned...http://www.google.co.uk/patents/US7500917?utm_source=gb-gplus-sharePatent US7500917 - Magical wand and interactive play experience
