Tamiya 70121 Pulley Unit Set - Workshop Pulley Pack  [70121]

Basic Pulley Mechanics with Tamiya 70121

The Tamiya 70121 Pulley Unit Set is a practical kit for learning how pulleys change force and motion. Its straightforward parts make it useful for bench testing, classroom projects and casual prototype builds where seeing real mechanical effects matters.

Included Components and How to Use

This pack contains five pulleys, a universal arm and pulley mounts along with a motor and motor mount box so you can assemble different pulley layouts. Use the motor to run trials and compare single, compound and varying diameter pulley setups to study speed and torque tradeoffs.

Teaching Value and Kit Compatibility

Suitable for newcomers and hobbyists, the Tamiya 70121 Pulley Unit Set supports hands-on lessons in mechanical principles and simple machines. It pairs well with other Tamiya construction and robotics elements to build more elaborate demonstrations or moving models.