This is the Smithsonian Rock and Gem Dig Set. Suitable for Ages 8 & Up. FEATURES: Learn how rocks and minerals are formed Chip away to discover 11 real gemstones and minerals 23" x 17" color poster included Instructions INCLUDES: One block with gemstones Minerals or rocks One mallet One dowel One pair of goggles One streak plate One magnifying glass One brush Color poster Instructions tlh 7/17/12