This special package of a high power compound microscope with 10-piece prepared slide kit and the microscope book The World of The Microscope is designed for students to learn science in biology. The microscope offers six levels of magnifications 40x 64x 100x 160x 400x and 640x. It has full optical glass elements and all metal body construction with coarse and fine focusing. It comes with a molded ABS case. The slide kit includes five blank slides and five prepared slides: housefly legs onion epidermis sunflower stem pine stem and cotton stem. The book investigates the enormous variety of objects too small for the eye to see. Step-by-step diagrams show how to get the best from a microscope and how to make and keep slides. Brand: AmScope Model: M60A-ABS-PB10-WM Color: White/ black Magnification: 40x 64x 100x 160x 400x 640x Objective diameter: 4x (0. 1 NA) 10x (0. 25 NA) 40x (0. 65 NA) Eye relief: Accurate alignment ensuring a fatigue-free long time viewing Lens coating: Fully coated optical system Requires batteries: No Body material: Metal/ alloy Weight: 10.3 pounds Dimensions: 7 inches high x 13 inches wide x 15 inches deep