| Centrifugal force ONLY! NO Motor, NO Batteries, NO Pedals and NO Gears These toys utilize scientific principles of inertia, friction, and centrifugal force acting on gravity for self-propulsion. It converts these forces through forward and backward motions. It doesn't require any pedalig, pushing, gears or batteries to create movement. Simply TURN the steering sheel from side to side and GO.The smoother the driving surface, the faster you GO! They are great toys for ch |
