The Tamiya 70223 Friction Powered Snail is designed to introduce builders to basic mechanical ideas via hands-on construction. As a member of Tamiya's Educational Construction Series, it highlights how friction can generate movement without electrical power.
The friction mechanism sits in a see-through casing so you can inspect rotating gears and linkage action. By changing which way the crank bases are fitted, the snail produces a quirky wag and nod, offering clear examples of link motion and timing.
Two polypropylene sheets form the main body and shell for a lightweight, resilient model. Functional antennae help the snail steer away from obstructions while the clutch stops strain from damaging internal parts.
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