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. Packaging dimensions are 18.4 cm wide, 25.4 cm high and 6 cm deep. . . . . .