National Geographic - Science Magic - Hydrophobic Substances
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!
LEARN THE SCIENCE BEHIND THE SUBSTANCE with the 16 page, full colour National Geographic Learning Guide.
- Contents: Aerogel, Hydrophobic sand, 2 clear plastic cup, 1 sculpting tool, 1 spoon, 1 dust mask, 1 instruction booklet and 1 Learning guide.
- Perform amazing science experiments
- Includes 5 bonus experiments.