Discover the incredible world of fluorescent rocks with this unique Fluorescent Deluxe Rocks Science Kit for kids! The perfect addition to any science class, kids will love shining the UV pen on each rock to watch them come to life. Little scientists can compare, share, and take note of their own insightful observations with this educational science kit for kids! Each kit includes 9 fluorescent rocks, 1 UV pen, 1 magnifying glass, 1 nail, 1 streak plate, a science manual booklet. Materials vary. (14 pcs. per set) Box, 6 3/4" x 1/2" x 9 1/2".