Maker Lab Rocks Gems & Geodes - Klutz

The colourful 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 crystal powder and mold to grow your own geode formation.
Conduct experiments such as building a DIY rock tumbler, measuring pH levels, using the Mohs hardness scale, and more.
Features:
Kids will dig the world of earth science and geology they discover in the Rocks, Gems & Geodes by Klutz!
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.
 includes:
36 rocks, display tray,
crystal powder, geode mold, plaster,
magnifying glass
an instruction book that’s full of lively illustrations
32 pages, paperbac