The Original PlasmaCar is an innovative, ride-on toy that harnesses the natural forces of inertia, centrifugal force, friction, and kid power. No batteries, gears, or pedals. Patented safety seat design places rider in a safe, comfortable position and minimizes tipping. Use indoors or out on a smooth, flat surface. Supports up to 220 lbs/99.8 kg. Age 3 .