Product Description Discover bouncy ball-istics with the Hyperlauncher Rocket Ball kit. Make Cosmic Ray Launchers and Supersonic Bouncers. Learn about the science of elasticity, polymers, energy and motion with this fascinating rocket ball science kit! Just follow the colour illustrated activity guide to see how it's done. Just one of a range available from Interplay. Box Contains Red water based moulding granules4 x mouldsSafety GogglesPlastic TubesWooden DowelColour Instruction Manual
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