Tamiya 89918 Clear Double Gearbox - STEM Build Module for Tinkerers  [89918]

See Gears in Action with the Tamiya 89918 Double Gearbox (Clear)

The Tamiya 89918 Double Gearbox (Clear) is ideal for builders who want a clear view of gear mechanics. Its transparent shell lets you watch gear trains move, making it a great teaching aid or bench-side learning tool for anyone curious about how mechanical drives work.

Build Features and Observation

This double gearbox combines practical gearing with visibility. The clear casing makes it easy to spot gear alignment, inspect teeth engagement, and test how different input speeds affect output. It is well suited to classroom demonstrations and hobby experiments.

Where to Use It

Compatible with many Tamiya components, the 89918 integrates into educational models, small robots, and DIY projects. It is a flexible unit for experimenting with gear ratios, drivetrains, and simple machines while keeping the internals visible for learning.