EWA Eco-Wood-Art Planetary Gear Construction Kit

Mechanical educational kit to assemble. Also known as epicyclic gear train, this tabletop model demonstrates the essence of planetary gears, used as speed reducers, slowing down motors and increasing torque. This mechanism can be found in mechanical pencil sharpeners. It's a perfect STEAM project to teach students how gears work. Special Shipping Information: Item ships separately from other items in your order. Item cannot ship to a P.O. Box, APO, or PPO. Item may be subject to additional processing days. Item is not eligible for expedited or international shipping. You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.