"Explore the world geology with the National Geographic Rock & Mineral Starter Kit Play with 15 colorful rocks and minerals Rocks and minerals include pumice, rose quartz (rough & polished), pyrite, blue calcite, green fluorite, desert rose, green aventurine (rough & polished), red jasper, green jasper, tiger's eye, hematite, blue quartz and snowflake obsidian Organize them in the storage case Includes 15 specimens, storage case, magnifying glass and learning guide with instructions"