This natural stone specimen collection is an excellent tool for teaching geology to kids. The set includes a variety of rocks and minerals, each with unique features that can and compared. The stones are great for classroom demonstrations, science projects, or simply as a decorative piece on a desk or shelf. Features -Color:Assorted Color -Material:Mineral -Size:2.50X2.30X1.20cm/0.98X0.90X0.47in -Diverse rock collection: contains a wide range of geological specimens to provide students with a comprehensive understanding of different rocks and minerals -great for education: specially designed for elementary students, making it suitable for both classroom learning and home education -Interactive learning experience: encourages hands-on exploration and study of rocks and minerals, fostering a love for geology and science -Wide range of minerals: the kit includes various minerals such as quartz, mica, rock salt, fluorite, iron ore, gypsum, graphite, coal, feldspar, and white crystal -Portable and organized: comes with a lightweight case featuring organized compartments for easy storage and fieldwork Package list: 1 of specimens (10pcs/box)