Bouncing Planets
Bouncing Planets

Bouncing Planets

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$15.99
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$15.99
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3L Version

Brand: Thames and Kosmos

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.