Rocks & Minerals Mini Lab by Poof-Slinky, Inc.
Other products by Poof Products Inc./Slinky
Item #: SLT02022
Reg. Price: $9.99
Our Price: $9.19


Rocks and minerals and crystals may be hard, but the science of them doesn't have to be! Grow beautiful crystals. Make a rock in your kitchen. Weather rock until it is ready to fall apart. Scratch, streak and smash them, all in the name of science. Grade: 3-6


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