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Build your own gumball machine with super sweet stunts! Watch gumballs perform cool tricks with a turn of the crank, all while learning about mechanical physics. Trial-and-error experiments teach in a fun, hands-on way: Will your gumball successfully make it to the end of the track, or will you have to re-engineer your gumball machine to make it work? Includes a full-color, easy-to-follow guidebook loaded with content. Fits standard machine-size, 16-mm (5/8-inch) gumballs, the a small supply of gumballs are included to get you started.
Founded in 1978, Parents' Choice is the nation's oldest nonprofit consumer guide to quality children's books, toys, music and more. The Parents' Choice Award seals are recognized throughout the country as the premier mark of achievement in the children's media industry. The Parents' Choice Silver Honors are given to excellent products that are designed to entertain and help children develop universally ethical attitudes, and rigorous standards and skills.