Bring the Sumo tradition to your home! The super warrior, Sumo Robot (infrared sensor robot kit), can be controlled to assail and overpower its opponent or retreat to prepare for battle. An infrared sensor beam is emitted when detecting an opponent. Upon detection, it instructs the brain of SUMO to "charge", thereby creating a bonafide wrestling match! Movement: 2 tractor style wheels powered by 1 DC motor. Control: Infrared sensor/detectable range: approx. 350mm (max.). "AA" x 2 each (electronic circuit), "AA" x 2 each (mechanical) (not included).  WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.