A must-have for little geologists, this Amazing Rocks Hands-On Science Kit will make your science studies rock! Kids will love discovering the unique differences between these incredible rocks, sharing, comparing, and performing their own research. This educational science kit for kids is the perfect gift for rock collectors and is an amazing addition to any classroom. Each kit includes 9 amazing rocks, 1 magnifying glass, 1 nail, 1 streak plate, 1 science manual booklet. Materials vary. (13 pcs. per set) Box, 6 3/4" x 1/2" x 9 1/2".