Tamiya Double Gear Box 4-Speed

Put Together a Double Gearbox (Left/Right Independent 4 Speed) with this
Educational Construction Kit from the Tamiya GeniuSeries
Appropriate for Ages 10 & Older.

FEATURES:
Appropriate for use with remote controlled robots.
Left/best independent design suggests you can set various gear
    ratios for either side. This set can be put together for 1 of 4
    various gear ratios: 12.7: 1, 38.2:1, 114.7:1, 344.2:1
Hexagonal shaft.
Motor cover and crank arm.
Durably formed gear box case, equipments and pinion gears.
FA-130 type motor consisted of with a torque of 3V.
Detailed assembly guide.

INCLUDES:
(1) Double Transmission

REQUIRES:
Assembly
Screwdriver
Pastime Knife (RMXR6909)