Rocks, Gems & Geodes

Toyology Toys Verified independent store

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Ages: 8+ Kick-start your very own rock collection with the included stones. Then use the included crystal powder and mold to grow a geode formation. Collect rocks and conduct exper iments, 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! Show more