Dig Up Precious Stones and Start an Amazing Rock Collection! National Geographic’s Gemstone Dig is an exciting hands-on adventure that kids absolutely love! Your child will become a treasure hunter as they carefully uncover spectacular gemstones using the digging tools provided. National Geographic’s full-color learning guide makes identifying each specimen easy. The guide is also packed full of information and amazing facts about their crystals. This science kit includes: One digging brick containing 3 amazing gemstones (quartz, amethyst, and tiger’s eye), archeological digging tools, full-color learning guide, and magnifying glass. Get your National Geographic Gemstone Dig Kit today and spark a love of science in your child that will last a lifetime.