Pololu - Tamiya 70097 Twin-Motor Gearbox Kit

Pololu 2390 - Tamiya 72007 4-Speed High-Power Gearbox Kit - Kamami

Tamiya 70097 Twin-Motor Gearbox Kit

Pololu 74 - Tamiya 72005 6-Speed Gearbox Kit - Kamami on-line store

Tamiya 70097 Twin Motor Gearbox Assembly Set : Toys

Pololu - Tamiya 70190 Mini Motor Multi-Ratio Gearbox (12-Speed) Kit

Pololu - Tamiya 70168 Double Gearbox Kit

Tamiya 4-Speed High Power Gearbox H.E. - RobotShop

Pololu - Tamiya 70097 Twin-Motor Gearbox Kit

Two DC motors & gears in a compact unit. Provides full forward-reverse-left-right action! Build with

Tamiya 70097 Twin Motor Gearbox Assembly Set

Tamiya 70097 Twin Motor Gearbox Kit - Robot Gear Australia