There are two options for this childrens microscope kit, please purchase according to your preferences Let our children's microscope open up a novel microscopic world for your children, and let them learn while having fun Made of high-quality ABS acrylic material. Rugged, safe and suitable for children. Simple operation and clear imaging. This high-definition magnifying microscope is suitable for children and beginners The monocular head with bottom LED lighting and built-in color filter improves the clarity and brightness of the transparent microscope slide. The non-slip focusing wheel and rounded edges make it easy and safe for children to use. . Beginner compound microscopes provide high magnifications for educational applications, with 100x, 400x, and 1200x magnifications. The observation eyepiece can adjust the focal length and angle, the screw-type lifting adjustment observation eyepiece, the mobile phone holder at the observation eyepiece can fix the mobile phone, and record every magical microscopic world Note: This product does not contain batteries, please purchase separately