Ugears Mechanical Earth Wooden Puzzle, Crafts & Models, No Glue or Tools Required, Easy for Adults

Mechanical Earth is a model of Earth with two continents, featuring an intriguing rotating mechanism and fascinating little components. The shuttle and satellite can be rotated along with the globe. The satellite is also powered by a rubber band and connects to the main module via a planetary gear. Once connected, the satellite rotates nearly twice as fast as Earth, performing nearly two full spins with each turn of the winding lever. This model is relatively easy to assemble, and watching it spin around is a joy. Mechanical Earth is made from high-quality, eco-friendly natural plywood; no glue is required. Model size: 210mm x 185mm x 185mm Package size: 378mm x 170mm x 32mm Estimated assembly time: 4 hours Number of parts: 184