Oherikosha Book Type Specimen Set 20 Types of Rock Classification Specimens

book type specimen set Box size: 260×185×20mm Contents: 7 types of igneous rocks, 6 types of sedimentary rocks, 7 types of metamorphic rocks Specimen set for learning basic rocks The rocks, minerals, and fossil specimens used in this product are natural, so the size, color, and texture may vary depending on the individual. The impression may differ between the published image and the actual product. Thank you for your understanding.