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What Real Buyers Say
★★★★★
"My nephew loved this! He is curious little man and this was perfect for him. Not too messy, had a great variety of geodes that looked amazing under th..."
★★★★★
"This geode cracking kit was a fantastic hands-on activity for my kids—and honestly, I enjoyed it just as much! The kit came with several real geodes, ..."
★★★★☆
"I read many reviews about this product before finally deciding to choose it over other options. (I always read the 1's, as well as the 5's). Ultimat..."
Key Features
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
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
16 PAGE FULL-COLOR LEARNING GUIDE – You’ll learn all about the fascinating science behind how geodes are formed in the detailed, full-color Learning Guide. National Geographic educational toys make sc
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. suppo
4.6
Our Verdict
The Blue Marble National Geographic Break Open 10 P earns a 4.6/5 from
35635 buyers. At $31.99,
it's an excellent choice
for the science kits & toys category.