National Geographic's Gemstone Dig is a great hands-on adventure that kids absolutely love! Your child will become a treasure hunter as they uncover hidden gemstones using the digging tools provided. The full-colour learning guide makes it easy to identify each specimen and is packed with information and amazing facts about their crystals. This science kit includes: One digging brick containing 3 amazing gemstones (quartz, amethyst, and tiger's eye), archaeological digging tools, full-colour learning guide, and magnifying glass. National Geographic's Crystal Garden is the perfect project for kids of all ages and serves as a great introduction to geology and chemistry.