This microscope package comes with a high power microscope a 10 piece slide kit and the microscope book The World of The Microscope. It is a great package for students to learn science. The microscope offers five magnification settings 40x 100x 250x 400x and 1000x. It has full optical glass elements metal framework 360 deg; rotatable monocular head and the LED illumination system that uses either wall-power (adapter included) or three AA batteries (or re-chargeable batteries). The 10-piece slide set includes five blank slides and five prepared slides: pine stem sunflower stem onion epidermis cotton stem and house fly leg. Brand: AmScope Model: M148C-PB10-WM Color: White/ black Magnification: 40x 100x 250x 400x and 1000x Objective diameter: 4x 10x 40x Eye relief: Accurate alignment ensuring a fatigue-free long time viewing Lens coating: Fully coated optical system Requires batteries: Yes Body material: Metal/ alloy Weight: 5.3 pounds Dimensions: 7 inches high x 10 inches wide x 15 inches deep