Ready. Set. Race!
【ENGINEERING MARVEL】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
【REWARDING CHALLENGE】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.
【IDEAL GIFT& HOWE DECOR】Perfect gift at any occasion for all ages. Detailed design and attractive appearance make it a unique touch to your home and office.
【NON GLUE& NATURAL MATERIAL】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.



























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Kalec –
Everything leading up to the stair stepper works great, then you get to the stair stepper part and you wish you never bought this set.
The stairs and the gears pushing the stairs get stuck even if you wax and polish the parts.
Would not recommended, except if you like to torture yourself.
Michele –
Hate to go against the run of play, the wood is fragile and can break while just building it. Also, once built its a bit. Flimsy. Great ornament terrible marble run