£9.95
Cow Jump
Cow Jump! Cranks the handle to make the cow leap and stretch out her legs!
As the handle is turned, the scotch yoke mechanism lifts the cow up and down raising the legs front and back. Paper engineering in action!
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Hen Pecked
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Running Dog
£9.95Running Dog. Turn the handle and see the dog run powered via the mesh gears and crank mechanism
