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💎 Countdown to brilliance: 24 gems, 1 unforgettable holiday adventure!
The NATIONAL GEOGRAPHIC Gemstone Advent Calendar offers kids a unique holiday experience by revealing 24 polished gemstones daily, culminating in a hands-on rose quartz dig. This award-winning kit combines education, creativity, and festive excitement, complete with jewelry-making tools and a collector’s pouch, making it a top-tier advent calendar for young explorers and future gem enthusiasts.











| ASIN | B0B75R26QM |
| Age Range (Description) | 8 years and up |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #97,972 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #3 in Advent Calendars |
| Brand | Blue Marble |
| Brand Name | Blue Marble |
| Color | Multicolor |
| Customer Reviews | 4.6 out of 5 stars 3,879 Reviews |
| Format | Advent Calendar |
| Global Trade Identification Number | 00810070621742 |
| Included Components | Toy |
| Item Dimensions L x W | 10"L x 7.28"W |
| Item Type Name | Advent Calendar for Kids with 24 Gemstones to Open Each Day |
| Item Weight | 0.48 Kilograms |
| Manufacturer | JMW Sales, Inc. |
| Material | Gemstones |
| Model Number | NGGEMADVENT |
| Model Year | 2021 |
| Part Number | NGGEMADVENT |
| Size | One Size |
| Special Features | 1 Collectors Pouch, 1 Mini Dig Brick, 26 Premium Polished Gemstones, 5 Jewelry Settings to Create Custom Jewelry |
| Target Audience | Unisex Kids - Ages 8 and up |
| Theme | Advent Calendars |
| UPC | 810070621742 |
S**A
Great for geo kid
This was great for my daughter who loves rocks and stones and she loved opening and seeing what she got and researching what she got and understanding it more and reading up on it, it became a fun education, educational activity
L**R
great quality
My child really enjoyed getting this for their advent calendar.
J**Y
Perfect for a curious and creative 3-year-old
Such a great alternative to food-based advent calendars! My daughter (3) LOVES to open her gem every morning. She's been learning the names as we go, too. The accessories that come with this are also great--she regularly rotates different gems between the keychain and necklace. The bag is clutch for keeping all the gems organized, and she even loved the mini deck of cards (she made up a "game" where you roll the gems and pick cards...not sure I know the rules, but it keeps her occupied and being creative!). Highly recommend for curious and/or rock-obsessed kids.
A**R
A cute alternative to candy for advent
I bought this for my adult son because even as young adults, we still get them an advent calendar and he is not much on sweets. It was cute and he had fun with it, but it was nothing spectacular. I think a younger kid that was getting into rocks would really like it. He said the biggest bummer was that one of the dates had a larger looking box and he thought he was getting a crystal or a large larger stone and it was really tiny. He said that was just a bummer and we had a laugh about it, but it was nice.
K**K
Fun and Educational Countdown with Real Gemstones
This National Geographic Gemstone Advent Calendar offers a fun way to count down while introducing kids to real rocks and minerals. Each day reveals a different gemstone or specimen, which keeps the experience exciting and encourages curiosity about geology. The included informational material helps explain what each stone is, making it more educational than a typical toy advent calendar. The gemstones vary in size and appearance—some pieces are more impressive than others—but that variety also helps set realistic expectations about natural minerals. The packaging is colorful and engaging, and opening a new compartment each day adds to the overall experience. One thing to keep in mind is that this is more about discovery and learning than play value. It’s best suited for kids who enjoy collecting, observing, and learning facts rather than hands-on toys. Overall, it’s a solid, educational advent calendar that delivers both fun and learning, with minor variability in gemstone size being the main reason it’s not a full 5 stars.
B**N
Great product
Age appropriate, no missing pieces, perfect gift for kids of all ages
R**A
Fun for Junior Rockhounds
My grandkids love rock collecting and this is a great kit. Stones of all colors and a nice identification chart included.
R**E
Cute
Awesome idea. The variety was very good. My 3 1/2 year-old loved this this past Christmas. The only thing I wish was different is sad when you open one of the days sometimes it open other days. I wish there was better storage and ways of getting the rocks without ripping front of the box
C**C
Very fun advent calendar
Brilliant advent calendar. Unique, fun, and good size crystals each day. Contains a wide variety with no repeats. The extra accessories it comes with (e.g., the bag, necklace etc) are good quality and fun. Great for kids and adults. Extra info on each crystal daily would be interesting; possibly a QR code to a page with more detail. Would recommend for definite as it was great value.
C**S
Awesome gift!
My son loved this, the stones are great and very cool that it provides information about each one. This is the only reason it’s not 5 stars. I would advise to pull each stone out yourself and give it to them, because the box contains the photos and descriptions of each stone very clearly, so it takes the surprise away to know what they will be getting. It would have been better to have a small booklet or something to give them at the end so that it preserves the surprise and then they also have it to reference and learn from later (because the box will be thrown away).
T**N
Best Advent Calendar
Finally a worthwhile Advent calendar! Even though it's for our kid, this would be good for any aged rock lover in my opinion. Good quality, decent-sized specimen (yes, I peeked), exactly what I'd expect from something with "National Geographic" on the box. We'll probably get her another one next Christmas.
M**N
Nice but
Not easy to recognize all the stones when comparing to the chart
M**D
Bester Adventskalender
Einfach eine schöne Idee. Kein Plastik, keine Süßigkeiten. Gute Informationen zu den Steinen (auf englisch).
Trustpilot
2 weeks ago
2 days ago