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💎 Countdown to discovery: 24 days, 24 treasures, endless curiosity!
The NATIONAL GEOGRAPHIC 2026 Rock Collection Advent Calendar offers kids aged 6+ a curated set of 24 polished gemstones, minerals, and fossils from around the world. Each day reveals a new specimen, culminating in a hands-on fossil dig with included tools and magnifier. This high-quality educational kit inspires a lasting love of geology, making it a unique and engaging holiday gift.










| ASIN | B0B7QFGHXF |
| Age Range (Description) | 6 years and up |
| Age Range Description | 6 years and up |
| Best Sellers Rank | #326,065 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #34 in Advent Calendars |
| Brand | Blue Marble |
| Brand Name | Blue Marble |
| Color | Multicolor |
| Customer Reviews | 4.5 out of 5 stars 1,388 Reviews |
| Format | Advent Calendar |
| Included Components | 24 Gemstones, Advent Calendar, Minerals & Fossils |
| Item Dimensions L x W | 7.28"L x 1.69"W |
| Item Type Name | Advent Calendar for Kids with 24 Gemstones, Minerals & Fossils for Kids |
| Manufacturer | JMW Sales, Inc. |
| Material | Crystal,Gems |
| Model Number | NGRMFADVENT2 |
| Model Year | 2022 |
| Part Number | NGRMFADVENT2 |
| Special Features | Includes Gemstones |
| Theme | Geology |
| UPC | 810070621728 |
| Warranty Description | We're proud to make the highest quality products which are backed by exceptional service. |
A**A
Best advent calendar
If you're a rockbound this is a neat gift
E**T
Fun For Adults, Too!
I posted about this calendar on social media when I first heard about it, and one of my followers gifted it to me! I have had so much fun waking up each morning and opening a new little door. I'm only halfway through the month, and I already have plans to get one of the other national geographic Advent calendars next year, I'm having so much fun with this. So far, it has been a really interesting mix of polished stones, crystals, a geode fragment, and lots of fossils like an urchin and a bivalve. The kit comes with a little magnifying glass and dig tool, and also a little bag to store your treasures in. A handy chart on the side gives you a little guide so you can figure out what the days find is and learn a few interesting facts about it. I have told so many people about this. Can't wait for my big dig kit I get to open on day 24!
L**S
AMAZING Educational Gift - that brings joy DAILY during Dec
I bought this for my 4 year old gdaughter and she asolutely loved it. We talked every day and she shpwed me her new "jewel" or rock. All of the adults were very impressed with this gift. I worked at a Montessori School for 15 years and i am so thrilled with this item - I am gifting one to each of the 3 classroms this next year - and all her cousins!
A**R
Pretty rocks. Calendar is cardboard.
Gift for 4 yr old granddaughter. What 4 yr old doesn't love pretty rocks!!! As of Dec 2, the two days that she has opened are beautiful. I am a bit disappointed in the calendar construction. I assumed it would have little windows that would be storage compartments for the rocks. No!! Only cardboard pull offs that do not attach back. It comes with a pretty fabric drawstring bag for rock storage. However, she is thrilled with it, so Grammy is happy.
S**H
Nice rocks
I didn't know what kind of advent calendar to get my grandson, 11. We've had candy, legos, puzzles, gnomes, little animals, and moochis, over the years. This year I was stumped so I selected this because I always like National Geographic magazines so I felt confident this would be nice. He loved it. He looked forward to a new rock every day. Learning about the rock, collecting in daddy's office. It was a hit.
P**L
Can be used in many ways
Everyday a delightful surprise during Advent season
N**C
Fun alternative to candy Advent calendars
If your house is like my house and you end up with a surplus of candy that extends from Halloween all the way to Easter then you probably welcome a non-candy filled Advent calendar. This calendar from Nat Geo is lots of fun for little kids who have rock collections or gravitate to the rock display at the National Park gift shops. It has many of the same rocks they sell at the displays. These rocks are reasonably well polished, none are rough cut. There's a bag to put them in as you go through the days. Some rocks are hard to discern from the others (we aren't geologists). I keep telling the kids that we'll go back at the end and line them all up with their spots. Don't remove the date covers. The picture in the background is the Northern Lights. The kids like being able to see it when they replace the covers.
N**S
Missing days…
Missing rocks/minerals/fossil for at least 2 days so far. As you can imagine, it’s been disappointing.
M**5
zabawka ok.
ładna zabawka, kamienie ładne, nie poprzesuwane. Córka zadowolona.
A**S
Fue un regalo
Para un adulto. Pero para niños también está padre. Vienen todas las piedras que marca la caja. Vale la pena.
L**D
Aucune version française….
J’ai acheté ce calendrier pour mon petit fils de 10 ans qui parle français. La description des pierres est en anglais seulement, ce qui n’est pas mentionné sur le site lors de l’achat. Grande déception…….. pour le prix payé. De plus la boîte est arrivé non emballé et donc aucun nom de l’acheteur…"la. Personne qui l’a reçu se demandait à qui appartenait ce colis. Très très déçu. Je ne recommande pas ce produit….
F**R
Collection magnifique des pierres
Une magnifique collection des pierres pour le vrai enchantement de notre fille de 6 ans Et les supports des bijoux pour intégrer et porter les pierres c'est un vrai bonus!
I**A
Satisfied
Perfect advent!
Trustpilot
1 week ago
2 months ago