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💎 Crack open curiosity, reveal brilliance!
The National Geographic Break Open 10 Premium Geodes kit offers a thrilling STEM experience for kids 8 and up, featuring 10 real natural geodes with a variety of crystal formations. The kit includes safety goggles, two display stands, a magnifying glass, and a 16-page full-color learning guide to deepen geological knowledge. Developed by award-winning Blue Marble, this hands-on science set combines education, creativity, and family fun, making it a standout gift for young explorers and aspiring geologists.





| ASIN | B0160JB7IS |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #1,260 in Toys & Games ( See Top 100 in Toys & Games ) #12 in Educational Science Kits |
| Brand Name | Blue Marble |
| Customer Reviews | 4.5 out of 5 stars 32,233 Reviews |
| Educational Objective | STEM |
| Global Trade Identification Number | 00851456006470 |
| Included Components | 10 Premium Quality Geodes, Display Stand, Learning Guide, Magnifying Glass, Safety Goggles |
| Is Assembly Required | No |
| Item Dimensions | 2.75 x 7.75 x 12 inches |
| Item Type Name | Display Stands - Great STEM Science Gift for Mineralogy & Geology Enthusiasts of Any Age |
| Item Weight | 2.1 Pounds |
| Manufacturer | Discover with Dr. Cool |
| Manufacturer Maximum Age (MONTHS) | 1188.0 |
| Manufacturer Minimum Age (MONTHS) | 96 |
| Manufacturer Part Number | NGGEO10 |
| Manufacturer Warranty Description | We're proud to make the highest quality products which are backed by exceptional service. |
| Material Type | Crystal Geodes |
| Model Number | NGGEO10 |
| Set Name | 10 Geodes Kit |
| Size | Basic |
| Sub Brand | National Geographic |
| Theme | Science |
| UPC | 851456006470 |
| Unit Count | 1.0 Count |
T**E
highly recommend for kids who love science and hands-on learning!
The National Geographic Break Open 10 Premium Geodes kit is an absolute hit for kids who love science and exploration! I bought this as a gift, and it exceeded all expectations. The kit comes with 10 geodes, safety goggles, and 2 display stands, making it a complete hands-on geology experience. Opening each geode is thrilling — the surprise of discovering sparkling crystals inside never gets old! The geodes vary in size and crystal type, which keeps it exciting for kids as they break each one. The included instructions are clear and easy to follow, and the goggles are a thoughtful safety addition that makes the activity worry-free. This kit is educational, fun, and encourages curiosity about geology, STEM, and natural science. It’s perfect for home experiments, science parties, or a unique gift for young explorers. Durable, well-packaged, and endlessly engaging
A**N
Pretty cool gift
Our son loved these. Super fun to crack open. Really pretty inside.
C**N
Wonderful gift
What a great gift for my grands. And the got to use a hammer.
K**X
Used a tile saw to cut in half, 5 very small geodes of the same kind, 5 decent ones
You get about 6 of the exact same geode, which are rather small, but still pretty and fun to break. These may be easier for kids to break anyhow. No amethyst of course. They are covered in a layer of clay or mud, seems like they coat them at the factory for some reason. So you have to wash all of that off. We had a tile saw and cut the larger ones in half.
B**A
Very big!!!
Excellent!!!
S**9
Great educational experience
Great gift for a 5 year old rock lover who says he’s going to be a geologist. Nice size Geodes are a little hard to open without the help of an adult. A little messy, but worth it!
A**R
A lot of solid ones
The size of most of them were completely reasonable, not smaller than expected. Out of 10 however only 2 were hollow inside. Most were solid all the way through which made them very hard to break. Impossible for a younger child and challenging for an adult, and that is with a chisel. We had a much better experience with the 5 jumbo kit.
N**L
Pleased what what we received
I’m pleased with the geodes we got in our box. I’ve had this 10-pack in my cart for a little while debating if I should pull the trigger or not after seeing some disappointed reviews. It seems a lot of people get either 10 boring clear quartz or a mix of 10 clear quartz geodes and nodules. I decided it’s only a $30 gamble so may as well. Ordered and it showed up 12 hours later. For 2 or 3 it took a while to bust through I’m assuming because two of them were nodules. The rest were relatively easy to break through with a heavy duty flat heat screw driver and a hammer. I also used a vise clamp to hold the geodes in place while I hammered away. Chipping little by little and rotating to try and split them in the middle worked fairly well. We received probably 50% clear quartz, however we also received the other half having some color. You could tell from the exterior if there was going to be some color inside, it’s pretty obvious once you crack a couple open to see the pattern. The pale beige, almost white, geodes are clear. The darker exteriors had some dark grays inside. One was darker exterior with a reddish hue and had some dark grays inside with some dark reddish flaking which was really nice. They’re not amazing, and I’m sure they’re overpriced for what they are, however I’m happy with what we received. I popped them in some floating display frames I got cheap on amazon and put them on a shelf that gets hit from the side with filtered natural light.
K**O
Un excelente momento
Padrisimoooo mi hijo se divirtió muchísimo abriendolas!
C**N
Love it
Great set but be warned, these are quite hard to open. With the regular hammer, I probably had to hit it for a good 20min! I guess it attests to their authenticity
J**S
Nice
Perfect for getting kids to do something
W**L
Fun to Crack Open, Just Don’t Expect Rainbow-Dream 🪨
This geode kit comes with the “huge” rock itself, a zip bag with some dust😅, and a full-color booklet 📦. Fair warning: it’s covered in dirt, so open it over tiles or take it outside unless you want sand everywhere 🤪. Give it a quick rinse and brush before cracking—way easier than trying to clean the insides later. I used a power tool and got a clean split; inside was a big cavity of pure white crystals🤍. Checked other reviews and yep, pretty much everyone gets white ones, so don’t hold your breath for the purple or blue beauties in the booklet 🥲. Still, the moment it cracks open is pure magic for kids (and adults). The instructions are smart—wrap it in a sock or cloth first so shards don’t fly🥸. Not a treasure haul, but the hands-on “wow” factor is totally worth it. Kids will love it—recommended 👍.
A**0
Kam super an
Wurde als Geschenk für einen 9 jährigen gekauft. Nach kurzem Zweifeln des Kleinen (Was soll ich mit ein Haufen Steine??), kam aber dann schnell Begeisterung auf, nachdem wir zusammen dann mit Meisel und Hammer die Steine vorsichtig geteilt haben. Manche Steine sind innerhalb 2-3 Minuten offen und sind auch von Kinder leicht zu öffnen. Die anderen, wesentlich härteren, sind nur durch ziemlich viel Kraft zu öffnen. Aber es geht. Wie gesagt, alles mit Hammer und Meisel :-)
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