Search  for anything...
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

  • Based on 35,626 reviews
Condition: New
Checking for the best price...
$31.99 Why this price?
Save $6.00 was $37.99

Buy Now, Pay Later

As low as $7 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Apr 30
Order within 13 hours and 10 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

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: 2.1 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.

Similar Products

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.

    • Fun for my 8 yr old son!
Style: 5 Jumbo Geodes Kit
Review Image by Amie G
Review Image by Amie G
Review Image by Amie G
Review Image by Amie G
Review Image by Amie G
We have only opened the smallest geode using the pointed end of the tool shown in the picture. He found it easy to open. However, we tried to open one of the larger ones, but it proved to be more challenging. I’m glad I bought the tools because using a hammer alone wouldn’t have worked well. We’re excited to open the rest of them. I did not find the process messy. Updated 3/16/26 One geode was solid. My son lost interest before I realized it was solid because he was not able to crack it open. I suggest if one seems too difficult, move on and return to it last. I still recommend this; it was a fun activity, plus the sparkly geodes are easy to display and make a great keepsake. Hope this is helpful! ... show more
Reviewed in the United States on February 6, 2026 by Amie G
    • Great family fun! Fantastic Geode Kit for Rock Enthusiasts!
Style: 4 Geodes Kit
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
Review Image by Noah C. Vogel
The media could not be loaded. We recently purchased this geode kit to do with the family as a Christmas gift! and it exceeded all our expectations! The kit included everything needed for a fantastic rock-breaking adventure: 4 rocks to smash and/or chisel, clear instructions, protective glasses, and a magnifying glass to examine the treasures within. We were thrilled to discover 3 amazing geodes, each with beautiful, sparkling crystals inside. One of the 4 rocks turned out to be a solid piece of crystal, which, while smaller than the rest, was still a delightful surprise and not at all a deal breaker. We used the chisel method for two of them and had to use the towel and smash method for the hard to open ones. Our 8 y/o kid absolutely loved the experience! This kit provides an excellent hands-on learning opportunity, perfect for children and adults alike. Overall, a wonderful purchase that brought joy and excitement for family fun. Highly recommend for anyone interested in geology or just looking for a fun and educational activity. Will buy again for sure. ... show more
Reviewed in the United States on December 29, 2024 by Noah C. Vogel
    • Beautiful & Fun
Style: 5 Jumbo Geodes Kit
Review Image by HVel
Review Image by HVel
Review Image by HVel
The media could not be loaded. I bought these for myself. I'm 37 years old. They were difficult to open. Some broke in smaller pieces but we're still really cool. I love all things crystals & stones. I will for sure purchase again. You can't guarantee with nature, so it can be a hit or miss. 2 of mine were solid, but still looked like clear quartz. I'm happy. ... show more
Reviewed in the United States on February 25, 2026 by HVel
    • Nice gift for family
Style: 10 Geodes Kit
Nice gift, and a challenge open a natural rock, miss more variety of the geoda colors
Reviewed in the United States on February 19, 2026 by juliodrake
    • 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
    • Kids fun time!
Style: 4 Geodes Kit
My daughter had so much fun with this, and her younger brother asked for one after he seen how fun it was to break the geods open to see what was inside.
Reviewed in the United States on March 8, 2026 by Steve Petersen
    • Adult needed. Not for children.
Style: 10 Geodes Kit
Great product. Not intended for the age gap mentioned. The rocks need to be sledgehammered by an adult. Also, the inside was no colors. Blah grey in each rock. Cute idea and my niece loved it, but I needed to assist in opening the very solid rocks provided.
Reviewed in the United States on January 8, 2026 by Brittany
    • 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

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...