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作者：Klutz
現地価格：$24.99
ISBN-13：9781338575729
ISBN：1338575724
出版社：Klutz
発行年月：2019/09
Binding：ほか

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!