Photo 1 of Thames & Kosmos Gumball Machine Maker Lab - Build Machines with Physics & Engineering Lessons | 12 Experiments | Make Your Own Gumball Machines | Includes Gumballs | Award Winner

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Photo 1 of Thames & Kosmos Gumball Machine Maker Lab - Build Machines with Physics & Engineering Lessons | 12 Experiments | Make Your Own Gumball Machines | Includes Gumballs | Award WinnerPhoto 2 of Thames & Kosmos Gumball Machine Maker Lab - Build Machines with Physics & Engineering Lessons | 12 Experiments | Make Your Own Gumball Machines | Includes Gumballs | Award Winner