Gumball Machine Maker: Engineering Kit Sun 6 m) of elastic cord

6 m) of elastic cord

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Your kits includes 10 natural river rocks

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Gumball Machine Maker: Engineering Kit Sun 6 m) of elastic cordSuper sweet stunts! Build your own gumball machines and learn physics lessons in the process. A turn of a handle dispenses one gumball at a time out of the clear storage globe and down the track. The gumballs land in a collection cup and can easily and sanitarily be returned to the globe for another run. The track segments can be moved around on the base to create an almost limitless number of different gumball machines. As the gumballs roll down the