National Geographic Premium Polished Rocks & Gemstones The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. The polished luster of the rocks and crystals in this kit make it possible to see minute details, revealing the hidden beauty of each rock and crystal inside! A great addition to any rock collection, or use them as aquarium rocks, for plant and candle arrangements, homemade jewelry, and much more! A dazzling collection of beautifully polished stones, gems, and crystals! The National Geographic 15-pound Premium Polished Gemstone Set is a fantastic collection of rocks, crystals, and minerals that kids and adults will love! This Kit Includes: 15 Pounds of 3/4-inch Polished Gemstones1 Learning Guide1 Full-color Identification Sheet The variety of gemstones in this kit is astounding! You'll receive Agate, Amethyst, Blue Quartz, Dalmatian Jasper, Green Aventurine, Hematite, Howlite, Red Jasper, Rose Quartz, Snowflake Obsidian, Sodalite, Tiger's Eye, Unakite, and White Quartz! Quantities of each gem may vary from kit to kit. This rock collection is fantastic STEM set for kids with an interest in geology and rock collecting. It's also awesome for adults! These stones are perfect as aquarium rocks, or as stones for plants. You can use them as home decor in candle holders, alongside healing crystal displays, or incorporate them into your own homemade jewelry! The included full-color Learning Guide inside provides insight into each type of stone, and an identification sheet allows you to quickly recognize each gem in your kit. These polished gemstones are phenomenal because you can see minute details in each rock and crystal, adding to their beauty and making them specimens you and your family will treasure forever! We make the highest quality hands-on science toys, and all products are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations.