A great STEM introductory toy for kids, this rock specimen science kit is a fun and educational item that is popular year-round. The Mineral Science Kit includes 15 small rock specimens of varying shapes, colors, and textures. Also includes a plastic handheld magnifying viewer, a streak plate to test color powder, a nail to test hardness, and a rock identification guide with information about each rock’s unique properties. • Age Grade: 5+ • Product Dimensions/Weight: 7.1 L x 1.5 W x 4.8 H / 0.6 lb • Inner Pack Dimensions/Weight: 7.9 L x 5.8 W x 12.5 H / 5.1 lb • Made In: China • Batteries not required