NATIONAL GEOGRAPHIC Science Kit & Rock Collection Advent Calendar 2025 – Jumbo Advent Calendar with 24 Days of Science Experiments, Gemstones & More for Kids, STEM Projects for Kids Ages 8-12

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Your purchase has purpose!

Every purchase helps support the global nonprofit National Geographic Society in its work to protect and illuminate our world through exploration, research, and education.

24 DAYS OF SCIENCE – Each day of December as Christmas approaches, kids will open an exciting science experiment to conduct from our world-class science kits, or a gemstone specimen to add to their collection!
CONDUCT 13 FUN EXPERIMENTS – We selected 13 incredible experiments from our science kits for this advent calendar. Kids will love hiding/revealing a secret message, making a test tube glow, floating coins, growing a colorful crystal tree & much more!
COLLECT 11 STUNNING SPECIMENS – The gemstones for kids in this STEM kit include carnelian, chevron amethyst, snowflake obsidian, geode, tiger’s eye, and more! A storage pouch is also included for their new collection.
DIG OUT A SPECIAL SPECIMEN ON THE FINAL DAY – The final piece in this collection is a stunning pyrite (fool’s gold) specimen kids will unearth from a mini dig brick, just like a real geologist!
AWARD-WINNING PRODUCTS – Blue Marble, winner of the Toy Association’s prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!