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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. Each segment of the track teaches a different lesson in physics: force, motion, momentum, gravity, energy, and more. The segments can be moved around to create an almost limitless number of different machines. Small supply of standard machine-size (5/8-inch) gumballs included.
Price History
Cheapest price in the interval: 22.49 on November 6, 2021
Most expensive price in the interval: 29.99 on December 20, 2021
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