Great for little geologists, this Assorted Mineral & Rock Set will let kids explore the awesome world of earth science! Compare various rocks and minerals, write down insightful observations, and examine with your own magnifying glass. From Shale to Travertine and Calcite to Rose Quartz, this educational science kit for kids will open up a world of discovery! (6 pcs. per set) Boxes, 4" x 1 1/2" x 6 1/8". Magnifying glass not included.