A handcrafted wooden 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! Ready. Set. Race! Full of elaborate mechanisms and small tricks. The precise gear design provides smooth transmission speed ratio. Each gimmick will create dozens of fun to watch. You can also learn the fundamentals of engineering and structures of machines. - a stair stepper as an elevator - a spiral funnel, 2 straight rails, 3 curve rails - a wheel lifter to bring marbles to the top - a flip-flop as a switch to drive marbles to 2 paths - a hand crank to run the whole system to move 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. Perfect gift at any occasion for all ages. Detailed design and attractive appearance make it a unique touch to your home and office. Lightweight models 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.

Bring in a big harvest!

Moving mechanism driven by metal spring power, ROKR Tractor LK401 is a robust and hardy farming vehicle toy. It has vivid details including shafts, engine, seat, steering wheel and pipe. Under its openable hood, you can see the gear trains moving after a wind-up. You can also change the direction of front wheels by turning the steering wheel. Build your roaring tractor and let it take you to the broad farmland far away from chaos and busyness. Rewarding challenge of 3~4 hours’ highly satisfying building experience, this building kit will put your visual-spatial skill and patience to the test. But you will find yourself absorbing in the construction and get inspired on STEM concepts and imagination. Ideal hobby gift for all. Whenever it’s birthday, anniversary or holiday, or even a daily quality time, this is a perfect choice to create hours of fun. No battery & clear manual. It’s made of natural plywood and uses pre-laser-cutting for lightweight wood sheets. Parts and edge are all well-fit. No battery needed, easy to assemble together. Clear illustration is easy to follow.