Spark: Science in a Flash Bouncy Ball Planets Kit
Using a spherical mold and six colors of polymer granules, cast up to six rubbery planet models in minutes. Learn about why the balls form and why they bounce.
FEATURES
- Using a spherical mold and six colors of polymer granules, cast up to six rubbery planet models in minutes.
- Learn about why the balls form
- Learn about why the balls bounce.
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