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.

Age Recommendation: Ages 6 to 12