EXPLORE CRYSTALS – Geodes are naturally-occurring volcanic rocks that contain slow growing crystals. Break open the rock to discover beautiful minerals inside. PREMIUM QUALITY – National Geographic selects only the best geodes from mines all over the world, so you’re guaranteed to find amazing crystals. INSPIRE A GENERATION – Kids love these treasure-filled rocks Promote an appreciation of nature and geology in your child with this fun, hands-on science kit. TEACHING SCIENCE – Introduce your child to geology with our full-color educational Learning Guide where they’ll learn about geodes, volcanoes and gemstones like quartz and amethyst. 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!
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