This small rugged microscope allows for quick viewing of 3D specimens with simple focusing and easy one eye viewing. It has a fixed 2X objective for 20X magnification and the light gathering optical system requires to extra light for general use. The compact 6-1/2-inch height makes this perfect for classroom field trips labs or at home learning. The lightweight microscope comes with a protective cover to use when not in use or traveling. Recommended for ages 5 and up. Dimensions: 6.5 H x 3.75 W x 4.5 D.