Marble Run set featuring a big waterwheel lifter. Build your own intricate system of cogs, gears and wheels,and watch marbles racing down slides full of crazy twists and turns! Highly satisfying and educational building experience. A brilliant way to enhance understanding of STEM principles and improve kids’ motor skills. This building set will put your visual-spatial skill and patience to the test.
Lightweight models are made of natural plywood. Pre laser-cut wood sheets with well-fit parts. No glue needed, easy to assemble together. Non toxic materials ensure you a safe building experience. The precise gear design provides smooth transmission speed ratio. Each gimmick will create dozens of fun to watch while learning the fundamentals of engineering and structures of machines.