Ugears Mechanical Earth Wooden Puzzle Craft Model No Glue or Tools Easy for Adults Required,

Mechanical Earth is a model of Earth with two continents, complete with intriguing rotating mechanisms and interesting small parts. Shuttles and satellites can rotate together with the globe. The satellite is also driven by a rubber band and connected to the main module by a planetary gear. Once connected, the satellite rotates at almost twice the speed of Earth, and each turn of the winding lever produces almost two full spins. This model is relatively easy to assemble, and since it rotates, you can enjoy watching it move. ``Mechanical Earth'' uses high quality, nature-friendly natural plywood and does not require adhesives. Model size: 210mm x 185mm x 185mm Package size: 378mm x 170mm x 32mm Estimated assembly time: 4 hours Number of parts: 184