March 12, 2025
-71%
Thames & Kosmos Gumball Machine Maker Lab – Build Your Own Gumball Machines | 12 Experiments | Includes Gumballs
$11.24
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- Build your own gumball machine with this award-winning science kit that combines physics and engineering lessons! Create endless gumball machines with modular track segments and watch the gumballs perform cool stunts. Perfect for novice builders.