A toy vehicle is operatively driven by an electric motor having a storage capacitor coupled in parallel therewith. The capacitor and motor are coupled to a pair of underside contacts on the toy vehicle for charging. The toy vehicle underside further includes an aperture and an elongated slot. A cooperating...http://www.google.es/patents/US6036574?utm_source=gb-gplus-sharePatente US6036574 - Charger/launcher for fast recharge toy vehicle
