Description: Science Toy : Kids scientific exploration and exploration microscope toys, and share learning results with friends. Magnification: 3p magnification objective lens use: 200x/600x/1200x ,60 degreescan adjust the focal length, learning while playing without hurting the eyes. Early Educational Toy: Trinocular magnification beginner toy is interesting experiment, inspire children's science interest, definition observation , easy operating, cultivate exploration ability, hands on ability. With Light: Kid microscope science kits equipped with up and down led lamp source, which can illuminate the object under observation whether it is in light at night. Gifts: Scientific exploration microscope is nice birthday holiday gifts for kids children.Hand eye coordination interactive toys, help parent child emotional accumulation, and strengthen communication, training. Specification: Material: ABS Powered by 2x AA batteries(package not include) Size Chart: 13cmx7cmx23cm/5.12inchx2.76inchx9.06inch Package Includes: 1Kid Microscope Science Kits Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.