COUOMOXA Marble Run Building Blocks Compatible with Classic Large Blocks STEM Toy DIY Build&Play Luxury Building Set…

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ABS Material
【Exclusive Upgrade Marble Run–Circular Waterwheel Piano Roller Coaster Set.Pls Note:Turn the big wheel clockwise】Shake the handle,fire up the gears and watch the waterwheel coaster carries the marbles to the top and release them run through the creative track circular.There are 2 Demo models in the instruction.The magic elephant add one more route in each demo models.When the ball run over the piano,making pleasant piano sound.Besides,little kids can play the piano alone.
【Big Building Blocks Compatible with All Major Brands–Meaningful Education Project】Kids can easily mix with their bricks of the same size to build more DIY fun models.Exclusive marble run building blocks inspire creativity and curiosity,enhance imagination,shape recognition and spacial thinking ability.Give kids the opportunity to learn gravity, gears, designs, machines, engines and many other concepts
【Easy To Build—Clear Step by Step Instruction For 2 Exquisite Demo Models 】Our instruction’s steps are split by each track part of the roller coaster so kids can cooperate together building the same project. Besides,Kids can play with their parents to enhance parent-child relationship.
【High-Quality ABS Material,Safe,Steady and Durable】Passed US ASTM 963 Safety Certificate,Safe and Durable.Before beginning to assemble,carefully observe each part, do not appear missing pieces situation.
【Great Interactive Toy—Perfect Gift】Best for developing children’s minds and dexterity! It’s also good family fun, it is great toy for adult and child to participate in together, have hours of fun with parents!There are manual model(ball drops by hand) and auto model(ball rolls in the waterwheel automatically and begins the next round.