Description
Marble Run Spiral Hoist 3D Wood Model Kit UGEARS UGEARS the model comes with two The sphere of the Set 11977 the model comes with two interchangeable extra modules the Shuttle and the Sputnik – which connect to the main module via the planetary gearing and rotate almost twice as fast as the globe and make almost two full spins in one pull of a winding lever the second in a series of Ugears modular marble runs