A few days before. I search for information on the Smithsonian Rock and Gem Dig Kit, so i have to tell.
Ages 8. Excavate and identify gemstones and minerals Scientifically test for hardness and streak. Learn how rocks and minerals are formed Chip away to discover 11 real gemstones and minerals Includes 23 x 17 inch color poster Includes block containing 11 real gemstones minerals or rocks 1 mallet 1 dowel 1 pair of goggles 1 streak plate 1 magnifying glass 1 brush and color poster .... Check Price