This kit comes with molds and enough materials to make twenty-four Bouncy Balls! Simply pour the crystals into a mold, hold the mold under water, and when the mold is opened, the ball is ready to bounce. This kit is a terrific introduction to a polymer unit or lesson. Kit makes 24 Bouncy Balls with 12 molds

Refill Kit (sold separately) contains enough materials to make a dozen more Super Bouncy Balls in a variety of bright colors! Contains polymer crystals only, no additional molds.

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