Group Sales National Toy & Gift - Smithsonian Micro Rock and Gem Dig Science Kit

A world of adventure, discovery and wonder! Dig for semi precious gemstones and minerals and identify your treasures with the Smithsonian Micro Rock and Gem Dig Science Kit! Test for hardness and streaks. You'll be amazed at what you will find! Kit includes Block Containing 6 Real Gemstones and Minerals or rocks, 1 Dowel, 1 Hammer, 1 Brush and Instructions.