April 15, 2025
-73%
Thames & Kosmos Gumball Machine Maker Lab
$10.49
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- Build your own gumball machine with this award-winning science kit that teaches physics and engineering through 12 experiments. Create endless machines with modular track segments and watch gumballs perform cool stunts as they roll down the tracks. Includes a supply of gumballs to get you started. Perfect for novice builders.