Kids love beautifully polished gemstones and this exciting Christmas countdown calendar will give them a new 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, Turquenite
• Tiger's Eye, Blue Calcite, Snowflake Obsidian, Red Jasper, Blue Quartz
• Dalmatian Jasper, Green Fluorite, Pyrite (Fool's Gold), Geode, Carnelian
• Chevron Amethyst, Red Granite, South Jade, Unakite, Green Dot
• Red Stripe, Black Stripe, Black Obsidian & Rose Quartz (in mini dig brick)

This advent calendar also includes a pouch for storing their treasures as well as jewelry settings for creating their own unique jewelry they can wear all year long! Rock and mineral collecting is a fascinating and popular hobby kids love, and the 2025 National Geographic Gemstone Collection 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 world!

Add a scientific twist to the holidays this year with the 2025 National Geographic Gemstone Collection Advent Calendar!

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.