Tamiya 70225 Shaft Drive Unit - STEM 4WD Module  [70225]

Product overview for the Tamiya 70225 Shaft Drive Unit

The Tamiya 70225 Shaft Drive Unit is a practical component for hobbyists and educators who want to investigate mechanical systems through build-and-learn activities. This unit helps you assemble shaft-driven 4WD layouts and pairs with parts from the Educational Construction series, giving flexibility for classroom or workshop projects.

Construction details and kit fitment

Each package contains two drive units, including hex shafts, mounting brackets, and the gears needed to form a shaft-driven 4WD arrangement. Transparent axle cases make it easy to observe gear engagement and motion, so learners can see how the drive system transmits power. You can change rotation direction by flipping each unit, allowing a range of drive configurations.

Uses in projects and learning

This drive unit is well suited to educational settings where building demonstrates core mechanical ideas. When combined with universal plates and the selection of wheels in the Educational Construction line, users can explore different chassis layouts and vehicle concepts.