Thisis an assembly kit of the 2 legged robot that moves by creatingelectricity buy winding up the hand generator. The motor is run byelectricity, but without the need for batteries since all power iscreated by the supplied hand crank. 2 legged walking mechanism has fallprevention legs and allows stable walking. Included are 2 heads Ostrichand duck for your preference. Connection between generator unit andwalking mechanism is ensured by wire harness with connector. Assemblyis easy with snap-on and screw in.