This 744 piece set contains multiple gears, pulleys, axles, chains, and frames to create an endless number of STEM projects. Contains a clear drive unit that can move the gears and other pieces forward or reverse. Requires one C battery (not included). Instruction guide not included. Grades 4+.
- Do you have any questions concerning this product?
- Product Video -Deluxe Gear Box
- Further products by SI Manufacturing