Tamiya 70103 Universal Gearbox STEM Kit - Modular Drive  [70103]

Tamiya 70103 Universal Gearbox Overview for Makers

The Tamiya 70103 Universal Gearbox provides a practical, modular drive solution for classroom projects and hobby workshops. Builders use it to add dependable gearing to small robots, scale models and experimental assemblies.

Mounting options and build layout

It includes a hex shaft and a threaded shaft so you can choose the most convenient mounting method for your project. Plastic gears paired with a metal gearbox housing balance low weight with durability for repeated assembly and testing.

Motor specification and selectable ratios

Supplied with an FA-130 motor, the unit supports three gear ratios: 101:1, 269:1 and 719:1. These options let you trade speed for torque depending on whether your build needs quick rotation or strong low speed drive.

Suitable for learning and hobby builds

From introductory mechanics lessons to backyard prototyping, the Tamiya 70103 Universal Gearbox fits a wide range of uses. It integrates well with other construction kits and small robotics platforms to extend practical learning and experimentation.