National Geographic 2026 Gemstone Advent Calendar with 24 Gems
✓ Product data checked October 15, 2026
This National Geographic Gemstone Advent Calendar, made by Blue Marble, hides 24 polished gems, including agate, green aventurine, hematite, sodalite, turquenite, tiger's eye and blue calcite. On the last day a rose quartz is dug out of a mini dig brick. A collector's pouch and five jewelry settings are included so kids can make their own jewelry. Rated 4.6 across more than 3,900 reviews at about $29.
Why it makes a good gift
Best for : A child who likes collecting rocks and crafts and would enjoy a hands-on December countdown.
Best occasion : Christmas, handed over before December 1st.
Why it works : Each door adds a polished gemstone to a collection that ends with a rose quartz dug out of a mini brick, and the included jewelry settings turn the stones into something wearable. Rated 4.6 across more than 3,900 reviews at about $29.
Avoid if : The child is too young for small parts: gems and jewelry settings are small, so check the age range on the listing.
For
Kids
Budget
$$ — Affordable
Frequently asked questions
What gemstones are inside?
24 polished gems including agate, green aventurine, hematite, sodalite, turquenite, tiger's eye and blue calcite, plus a rose quartz dug out of a mini dig brick on the final day.
Can kids make jewelry with them?
Yes, five jewelry settings are included.
Who makes it?
Blue Marble, which the listing says developed it exclusively for Amazon.
