Tamiya Mini Motor Low Speed Gearbox 4-Speed

This is the Mini Motor Low-Speed Transmission (4-Speed)
from Tamiya's Educational Building and construction Series.

FEATURES
Type 030 motor includes a low electrical energy consumption rate and
    does not discharge electronic sound
Motor specifications: 8400RPM, Voltage: 3.0V
Transmission functions 7 various gear ratios (71.4:1, 149.9:1, 314.9:1,
    661.2:1) which can be quickly adjusted by altering the final
    gear accessory position
3mm hex shaft and transmission accessory holes are compatible with
    other Tamiya craft products
2 various transmission accessory positions are readily available
Transparent gear case to show the internal mechanisms
Pictorial assembly directions

CONSISTS OF:
One Mini Motor Low-Speed Transmission (4-Speed)

NEEDS:
Assembly
Hobby knife (RMXR6909)

SPECIFICATIONS:
Length: 1.18" (30mm)
Height: .78" (20mm)