Rocks, Gems & Geodes

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Kick-start your very own rock collection with the 36 stones. Then use the included crystal powder and mold to grow a geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. You'll even learn how to make your very own rock tumbler. Use the fact-filled book to keep exploring the world around you! Comes with: 36 rocks, display tray, crystal powder, geode mold, plaster, magnifying glass Ages:8 and up Grades:3 + Pages:32 Dimensions:1.775 x 8.1 x 11.7 Small Parts – Not for children under 3 yrs. Show more