Rocks, Gems & Geodes

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

Author: Klutz
Publisher: Klutz
Published: 07/10/2019
Binding Type: Other
Weight: 1.25lbs
Size: 11.70h x 8.00w x 1.80d
ISBN13: 9781338575729
ISBN10: 1338575724