Discover crystal treasure! Geology doesn t get more exciting than breaking open rocks and finding crystal treasures! Geodes can form with a variety of crystals inside and National Geographic brings you the best variety from around the globe. This earth science kit provides a hands-on science experiment that you and your children are guaranteed to love. This science kit includes: 10 high-quality crystal filled geodes safety goggles display stands and full-color learning guide This is a perfect activity for energetic boys and girls! The included display stands are perfect for showcasing the crystals you find and starting a rock collection while the learning guide will teach you many amazing facts about geodes! National Geographic Toys is proud to provide a 100% satisfaction guarantee with all our products so that you can buy with confidence.