Klutz Rocks Gems Geodes
Not only do you get nice mineral specimens to kick-start your collection with but you also learn how to grow your own geode and learn how to make a rock tumbler! Conduct experiments such as the scratch and float test to see the quality of the specimen you found. There is a labelled tray that keeps your rocks organized which I thought was pretty neato!
Kick-start your very own rock collection with the 36 stones, then use the included crystal powder and mold to grow your own geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. The fun doesn't stop there - You'll even learn how to make your very own rock tumbler. Use the fact-filled book to keep exploring the world around you as you find more samples to collect.
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