The Tamiya 70223 Friction Powered Snail provides a straightforward way for newcomers to explore mechanical motion by building the kit themselves. Included in Tamiya's Educational Construction Series, it demonstrates how friction can be harnessed to move a model without batteries.
The snail's friction unit is encased in transparent plastic so you can observe the gears turning and how the drive translates into the snail's rhythmic wag and nod. Swapping the crank base orientation changes the action and encourages hands-on tweaking.
Constructed from two PP sheets that form a lightweight shell, the kit also features antennae to nudge the snail away from small obstacles and a clutch to protect gearing from shocks.
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