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NATIONAL GEOGRAPHIC Science Magic: Hydrophobic Substances – A Complete Science Kit for Kids


FASCINATING WATER-REPELLENT SAND & GEL defy the laws of nature and don’t get wet when exposed to water! ENDLESS CHEMISTRY FUN that will mystify kids over and over — not a one-time-use experiment!

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Additional information

Weight 12.7 lbs
Dimensions 2.5 × 6 × 9 in