The National Geographic Rock and Mineral Set contains 15 incredible rock and mineral specimens that are sure to inspire a fascination with geology and earth science. In the box you'll find hematite, two x rose quartz, snowflake obsidian, tiger's eye, red jasper, two x green aventurine, green zebra jasper, desert rose, pumice, pyrite, blue quartz, blue calcite and fluorite. Also included is a magnifying glass to examine the rocks, gemstones and crystals with and a clear storage box/display. A helpful, full-color identification guide provides fascinating learning. Ages 6 and up.