Do you have a kid with an ever-expanding rock collection? Turn their interest into a science-filled afternoon with this easy scratch test experiment from our Klutz Maker Lab Rocks, Gems & Geodes kit! With just some rocks, a penny, and their fingernail, they’ll learn how to measure how hard rocks really are. Print out the instructions below!
Try This Geology Experiment With Your Rock Collector
Junior geologists will learn just how hard rocks are with this simple experiment!
Featured Book
Toys and Games | Arts and Crafts | Art and Craft Kit
Klutz: Maker Lab: Rocks, Gems & Geodes
Kick-start your very own rock collection with the 36 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. You'll even learn how to make your very own rock tumbler. Use the fact-filled book to keep exploring the world around you! Comes with: 36 rocks, display tray, crystal powder, geode mold, plaster, magnifying glass
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GRADES
3 and up
$24.99
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