Dig out incredible Pyrite and Gemstone specimens. Grow your own Crystal. Create whirling water Tornadoes, then build an erupting Volcano! This kit has everything you need to conduct more than 15 awesome science experiments! This Complete Science Kit Includes: - 1 Green Crystal-Growing Powder Packet - 1 Crystal Seed Rock - 1 Crystal Display Stand - 1 Crystal Growing Chamber - 1 Volcano Mold - 1 Bag of Plaster - 1 Bag of Eruption Powder A - 1 Bag of Eruption Powder B - 2 Stir Sticks - 1 Paint Brush - 3 Colors of Paint - 1 Pyrite Dig Brick - 1 Gemstone Dig Brick - 1 Dig Tool - 1 Magnifying Glass - 1 Selenite - 1 Snowflake Obsidian - 1 Tiger's Eye - 1 Green Fluorite - 1 Pumice - 1 Desert Rose - 1 Blue Calcite - 1 Geode - 1 Agate - 1 Gemstone Storage Case - 2 Tornado Tubes - 1 Full-Color Learning Guide - 3 Instruction booklets National Geographic Toys is proud to provide a 100% satisfaction 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.