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.
Small Parts – Not for children under 3 yrs.
