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Blue Marble

National Geographic Break Open 10 Premium Geodes – Includes Goggles & 2 Display Stands - Great STEM Science Kit, Geology Gift for Kids, Break Your Own Geodes with Crystals

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Style: 10 Geodes Kit


Features

  • DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside! Geology doesnt get more exciting than breaking open rocks and finding crystal treasures. This great STEM activity makes an excellent gift for girls and boys!
  • COLORFUL VARIETY Geodes can form with a wide variety of crystals inside. These geodes have been hand-selected to bring you the best variety available.
  • 100% NATURAL GEODES These real specimens may be as big as a tennis ball, or as small as a ping-pong ball. Kids will love the thrill of cracking them open to see the natural beauty inside. This STEM activity emphasizes fun and discovery!
  • 16 PAGE FULL-COLOR LEARNING GUIDE Youll learn all about the fascinating science behind how geodes are formed in the detailed, full-color Learning Guide. National Geographic educational toys make science and learning fun, and are the perfect STEM gifts for boys and girls!
  • 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!

Brand Name: Blue Marble


Age Range Description: 8 years and up


Educational Objective: STEM


Sub Brand: National Geographic


Set Name: 10 Geodes Kit


Manufacturer Maximum Age (MONTHS): 1188.0


UPC: 851456006470


Manufacturer Minimum Age (MONTHS): 96


Global Trade Identification Number: 70


Model Number: NGGEO10


Manufacturer Part Number: NGGEO10


Manufacturer: Discover with Dr. Cool


Item Type Name: Display Stands - Great STEM Science Gift for Mineralogy & Geology Enthusiasts of Any Age


Unit Count: 1.0 Count


Manufacturer Warranty Description: We're proud to make the highest quality products which are backed by exceptional service.


Included Components: 10 Premium Quality Geodes, Display Stand, Learning Guide, Magnifying Glass, Safety Goggles


Theme: Science


Is Assembly Required: No


Material Type: Crystal Geodes


Size: Basic


Item Dimensions: 2.75 x 7.75 x 12 inches


Item Weight: 2.14 Pounds


Frequently asked questions

The kit includes 10 premium geodes, a pair of safety goggles, and display stands. It is designed to provide an educational and fun experience for children interested in geology and science.

The kit is recommended for kids aged 8 and above, due to the need for using a hammer or other tools to break open the geodes, as well as the presence of small parts and choking hazards.

Safety goggles should be worn to protect eyes. Place the geode inside a sock or cloth to prevent fragments from scattering and gently tap it with a hammer until it breaks open to reveal the crystals inside.

Kids can learn about geology, crystal formation, and earth science. They'll get hands-on experience with rock and mineral properties, and the excitement of discovery as they uncover the unique crystal formations within each geode.

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Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The geode kit appears to be an exciting and engaging product for people of all ages, with customers reporting a lot of fun while cracking open the rocks. It offers a sense of discovery, unveiling beautiful crystal formations inside. However, buyers should be prepared with the right tools and safety gear, as the process can be quite challenging without proper preparation.

Pros

  • 🎉 Provides great entertainment and educational value for both kids and adults.
  • 💎 Geodes are beautiful and rewarding to open, revealing intriguing crystal formations.
  • 🔨 Cracking the geodes can serve as a stress relief and engaging physical activity.
  • 📚 Includes a learning guide for educational purposes.

Cons

  • ⚒️ Requires specific tools like a chisel or vice for efficient cracking, which may not be readily available.
  • 🧒 May be too difficult for children to crack without adult assistance.
  • 🔊 The process can be loud and messy, potentially limiting where it can be done without causing disruption.
  • 🚫 Some rocks might be solid and disappointing when they can't be cracked open to reveal crystals.

Should I Buy It?

If you're intrigued by geology or looking for a unique hands-on activity, this geode kit is worth purchasing. It's particularly recommended for those who appreciate a bit of challenge and have an interest in natural science. However, be sure to manage expectations and prepare the necessary safety equipment and tools to fully enjoy the experience.

    • National Geographic - split open your set of geodes - lots of fun and something to keep!
Style: 10 Geodes Kit
Wonderful gift for children. Got this on Amazon last Christmas for my 6 yr old grandson, and he was amazed! Recommend that you break these open outside on a hard surface, and I used an old rag to put the geodes in and a rubber hammer to crack them. I enjoyed this very much myself and I highly recommend this geode set, very reasonably priced! ... show more
Reviewed in the United States on June 19, 2026 by V. Vescovo
    • great alternative gift for kids
Style: 10 Geodes Kit
I bought this for my 9 year old son who likes rocks. He had a blast busting these geodes open on the front porch area and was marveled with the colors. It was a very good gift.
Reviewed in the United States on May 28, 2026 by ES
    • Fun for kids and adults
Style: 10 Geodes Kit
My 7 yr old grandson and I both had a great time smashing these. Some opened easily and others took more time which was perfect. More geodes than the set at Walmart. Will purchase again
Reviewed in the United States on June 10, 2026 by karen f
    • Might be fun, could be disappointing
Style: 10 Geodes Kit
I really want to rate this higher but only half of them opened. I tried using a hammer and chisel. I tried hitting them with the hammer directly. I tried the sock method where I smashed them using every last ounce of strength I had. Nothing. Of the ones that did open, they were mostly simple sugar geodes. Pretty, but basic. For a kid, that will still be exciting, and honestly, even as an adult I enjoyed them, despite being in so many shattered pieces. I'm only knocking off one star though because, to be fair, NatGeo can't predict how easily the geodes will open, and otherwise it was a good kit for the price I paid. ... show more
Reviewed in the United States on May 8, 2026 by Amy G.
    • Definitely a hit
Style: 10 Geodes Kit
We did some of these for our “Easter eggs” and they were a hit for all of our kids. Great deal and great for kids learning about rocks. My son was excited about the variety we opened.
Reviewed in the United States on April 15, 2026 by Timothy Goodfellow
    • highly recommend for kids who love science and hands-on learning!
Style: 10 Geodes Kit
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 ... show more
Reviewed in the United States on November 3, 2025 by tara speece
    • Super meh but fun for kids
Style: 10 Geodes Kit
I really loved doing this kit with my son. It was a very fun activity for us. But they were all white inside!!! I was hoping for some color but nope. They were still cool to admire though and I know no one can know what color it may be unless its broken open. Also maybe including a chisel would be nice as thats not something I have in my house on its own. And some of these stinkers were really hard to break into!! It made things funny though. Id buy it again just to see my sons face light up when the geode finally split open to reveal yet another white colored geode hahaha fun, kinda disappointing, educational, but an evening well spent with my best boy. ... show more
Reviewed in the United States on June 19, 2026 by RelizaFlo
    • Pleased what what we received Pleased what what we received
Style: 10 Geodes Kit
Review Image by Not Daniel
Review Image by Not Daniel
Review Image by Not Daniel
Review Image by Not Daniel
Review Image by Not Daniel
Review Image by Not Daniel
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. ... show more
Reviewed in the United States on May 4, 2026 Reviewed in the United States on May 4, 2026 by Not Daniel

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