REVEAL A GEM EACH DAY - Each day of December as Christmas approaches, kids can open a gorgeous gemstone to add to their collection Includes a collector's pouch to keep all your gems safe.COLLECT 24 STUNNING SPECIMENS - The beautiful, polished gemstones for kids in this advent calendar include agate, green aventurine, hematite, sodalite, turquenite, tiger's eye, blue calcite and moreDIG OUT A SPECIAL CRYSTAL ON THE FINAL DAY - The final piece in this collection is a stunning rose quartz specimen kids unearth from a mini dig brick, just like a real geologistCREATE UNIQUE JEWELLERY - This Christmas advent calendar includes five jewellery settings so kids can create their own special jewellery with their gemstones This calendar brings joy all year longHIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all are backed by exceptional service and a commitment to your satisfaction.Product Read moreCelebrate the season with the National Geographic 2023 Gemstone Advent CalendarKids love beautifully polished gemstones and this exciting Christmas countdown calendar will give them a specimen to add to their collection each day as the holiday approaches. The fun and excitement culminate on the final day, as kids unearth a shimmering rose quartz specimen from the included mini dig brick.This educational take on a classic holiday tradition includes the following polished gems:Agate, Green Aventurine, Hematite, Sodalite, TurqueniteTiger's Eye, Blue Calcite, Snowflake Obsidian, Red Jasper, Blue QuartzDalmatian Jasper, Green Fluorite, Pyrite (Fool's Gold), Geode, CarnelianChevron Amethyst, Red Granite, South Jade, Unakit, Green DotRed Stripe, Black Stripe, Black ObisidianRose Quartz (in mini dig brick)This advent calendar also includes a pouch for storing their treasures as well as jewellery settings for creating their own unique jewellery they can wear all year longRock and mineral collecting is a fascinating and popular hobby kids love, and the 2023 National Geographic Gemstone Advent Calendar is a great introduction for boys and girls with an interest in geology. They'll love collecting and learning about these premium gemstone specimens from around the worldAdd a scientific twist to the holidays this year with the National Geographic Gemstone Advent CalendarNational Geographic Toys makes 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 worlds largest nonprofit scientific and educational organizations.