NATIONAL GEOGRAPHIC Gemstone Advent Calendar – 2025 Christmas Countdown Calendar for Kids with 24 Gems to Open Each Day, Complete Rock Collection with Mini Gemstone Dig Kit

Price: $29.99 - $20.49
(as of Nov 23, 2025 13:54:24 UTC – Details)

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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.

REVEAL A NEW GEM EACH DAY – Each day of December as Christmas approaches, kids can open a gorgeous new gemstone to add to their collection! Includes a collector’s pouch to keep all your gems safe.
COLLECT 24 STUNNING GEMS – The beautiful, polished gemstones for kids in this advent calendar include agate, green aventurine, hematite, sodalite, turquenite, tiger’s eye, blue calcite and more!
DIG OUT A SPECIAL CRYSTAL ON THE FINAL DAY – The final piece in this collection is stunning rose quartz that kids unearth from a mini dig brick, just like a real geologist!
CREATE UNIQUE JEWELRY – This Christmas advent calendar includes five jewelry settings so kids can create their own special jewelry with their new gemstones! This calendar brings joy all year long!
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!