Tamiya Double Gear Box 4-Speed

Put Together a Double Transmission (Left/Right Independent 4 Speed) with this
Educational Building And Construction Package from the Tamiya GeniuSeries
Ideal for Ages 10 & Older.

FEATURES:
Ideal for use with remote controlled robots.
Left/ideal independent design implies you can set different gear
    ratios for either side. This set can be put together for 1 of 4
    different gear ratios: 12.7: 1, 38.2:1, 114.7:1, 344.2:1
Hexagonal shaft.
Motor cover and crank arm.
Durably molded transmission case, equipments and pinion gears.
FA-130 type motor consisted of with a torque of 3V.
In-depth assembly guide.

INCLUDES:
(1) Double Transmission

NEEDS:
Assembly
Screwdriver
Pastime Knife (RMXR6909)