Elastic, Professor Ein-O Science
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Perform five energetic experiments with elasticity. Test the bouncability of two different sized super bouncy balls, create your own rubber band ball, watch hemi-balls flip and hop, create a rubber band shooter, and even make your own bouncy balls from scratch.
Using molds of different shapes and the Ein-O bounce granules, you can create your own bouncy balls and test their bouncability too. Includes an instruction booklet with scientific explanations behind each experiment.
 Gift Wrap Available
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