Thames & Kosmos Bouncing Planets STEM Experiment Kit | Make Your Own Rubbery, Colorful Planet Models! | Explore Elasticity and Polymers| 3-Language Instruction Manual (English, French, Spanish)

Thames Kosmos Bouncing Planets STEM Experiment Kit Make Your Own Rubbery Colorful Planet Models! Explore Elasticity and Polymers 3Language Instruction Manual English French Spanish

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Make five colorful, rubbery balls resembling planets in minutes. Using a spherical mold and five colors of polymer granules, cast up to five rubbery planet models. Learn why the balls form and how the elasticity of the polymer material causes them to bounce.
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