- Single solar cell
- Transmission: 3-speed gearbox
- Wheels: thin black hard rubber or coloured hard plastic (contact before ordering)
- Changeable gear ratios: 3:1, 9:1 & 27:1
- In bright light, the car will climb gradients and run over rough surfaces.
- Comprehensive illustrated gearbox instructions.
Easiest motor/gear to assemble. Changeable gears. Runs over smooth, bumpy or rough surfaces.