10 years & up. Peer through the microscope lens and dive into an amazing new world. This sturdy, Dual-LED Microscope by Thames & Kosmos is designed to help kids learn about the fascinating structures, bizarre patterns, and unexpected details that normally go unseen in their surroundings. Microscope features: Durable, plastic body, 2 Bright LED lights above and below, 40x, 100x, and 400x magnification options, 4x, 10x, and 40x objective lenses and a 10x ocular lens, Over 20 tools and accessories for gathering samples, and a 48-Page, full-color microscopy book with instructions and ideas.