National Geographic Break Open 10 Premium Geodes for Kids Ages 8-12

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• DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside! Geology doesn’t 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!
• FULL-COLOR LEARNING GUIDE - Learn about the fascinating science behind how geodes are formed in the full-color Learning Guide. National Geographic educational toys make science and learning fun!
• AMAZON EXCLUSIVE - Blue Marble has developed this product exclusively for Amazon.
• 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!