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.
Klutz is a publishing company started in Palo Alto, California in 1977 and has become a subsidiary of Scholastic Inc. Klutz creates fun and interesting crafts and DIY kits for children of all ages.