Uncover the mysteries in common minerals with this Mineral Science Kit 2 for kids! Perfect for little scientists, this unique and educational science kit lets kids classify, test and identify various types of minerals. Add an interactive element to science studies. Makes a great gift for curious little minds! Each kit includes 1 introduction guide, 1 magnifier, 1 nail, 1 streak plate. Materials vary. (19 pcs. per set) Box, 7" x 1 1/2" x 4 3/4".