Multi-Ratio Gearbox

This gearbox offers 6 ratios and 12 different speeds. The unit operates on 1.5 or 3.0 Volts D.C. power sources,either battery or suitable transformer.

Comprises 1.5v-6v motor,polycarbonate gearcase and tough nylon gears. The gear box comes ready assembled, but can be opened and the gear ratio changed to suit your needs, simply by removing one or more intermediate gears.