The National Geographic Ultimate Rock and Mineral Activity Set is a great way to share your fascination with Geology and Mineralogy! This set includes: 1.25 pounds of assorted, polished rocks and gemstones; 10 of each of the following specimens: Pyrite, Pumice, Desert Rose, Quartz and Tiger’s Eye. 10 high-quality carry pouches in the set allow you to divide the contents evenly, making this a great science-based party favor perfect for classrooms & educational groups, or even for use as game pieces for board games. A full-color identification guide is included as well, and provides information on Pumice, Quartz, Pyrite, Tiger’s Eye, and Pyrite. Inspire a love of Geology with the Ultimate Rock and Mineral Activity Set from National Geographic! National Geographic Toys is proud to provide a 100% satisfaction guarantee with all our products so that you can buy with confidence. About the National Geographic Society: With a mission to inspire people to care about the planet, the 131-year-old National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations. National Geographic’s net proceeds support vital exploration, conservation, research, and education programs.