Rocks Gems & Geodes by Klutz


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The colorful rocks you explore with this kit will open up the world of earth science and geology! 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 experiments, such as a scratch test and float test, to discover their hidden properties. Youll even learn how to make your very own rock tumbler! Use the fact-filled book to keep exploring the world around you!


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