Tamiya 70272 Transparent Differential Unit for STEM Construction  [70272]

Tamiya 70272 differential unit for educational STEM projects

This differential gear unit is a dedicated spare for Tamiya educational construction projects. It uses a bevel-gear arrangement to allow differential rotation between driven shafts, so inner and outer shafts can rotate at different speeds while cornering. The transparent case provides direct visual access to the bevel gears, which is helpful for inspection, teaching gear geometry, and checking mesh during assembly of classroom models.

The internal gears feature low-friction profiles and power is transmitted through three metal 3 mm hex shafts. The unit is designed to mate with separately sold Universal Plates and Universal Arms from the Tamiya Educational Construction Series, offering a compact mechanical solution when a small differential is needed.

Serviceable details include removable screws for internal access and a pre-applied lubricant to reduce initial break-in wear. The component suits builders and collectors who want an observable differential mechanism for display models, classroom demonstrations, or parts replacement in compatible assemblies.

The 70272 differential delivers a compact, inspectable solution for STEM assemblies and replacement needs, with a clear case and metal hex shafts that prioritise serviceability and visible gear action.