- single solar cell
- transmission: module 1 gears 3:1
- wheels: coloured hard plastic
Relatively more difficult to assemble gear/motor than Car A. High speeds on flat surfaces
The picture shows module 1 pinion gear (13 teeth) and axle gear (30 teeth), giving transmission ratio 2.3:1 and soft plastic wheels. Both wheel sub-assemblies are attached to PV cell with Velcro hook & loop pads.