Discover crystal treasure!Geology doesn’t get more exciting then breaking open rocks and finding crystal treasures! Geodes can form with a variety of crystals inside and National Geographic has searched the globe to bring you the best variety of geodes. This Break Open 2 Geodes kit provides a hands-on science experiment that you and your children are guaranteed to love.This is a perfect activity for energetic boys and girls! The included display stand is perfect for showcasing the crystals you find and starting a rock collection, while the learning guide will teach you many amazing facts about geodes!