The Celestron 44121 Cordless Microscope Kit is a great way for young scientists and nature enthusiasts explore the microscopic world. This kit comes with a compound microscope and a number of specimens and accessories to stimulate their curiosity. The microscope also comes with tools to help prepare and examine specimens, including a needle probe, eyedropper, tweezers, light diffuser, and blank slides. The microscope itself is a monocular biological scope with a 10x to 20x eyepiece and 4x, 15x, and 30x objectives. The microscope has powers from 40x to 600x.