The Beginner's Collection of Rocks, Gems & Minerals is the fifteenth in a series of rock, gemstone, fossil, and mineral sets from Fantasia Mining. This series is perfect to introduce childern to the joys of rock collecting and to get them excited about these natural wonders of the world. These sets have been used in pre-K, elementary, secondary and home schooling classrooms. They allow the teacher to interact with students in a fun and entertaining manner by letting the students have a hands on experience with real earth mined specimens instead of just viewing a picture in a book. The sets in this series aren't only for the classroom and aspiring geologists of all ages will enjoy the unique completely natural specimens received.