This is not a toy but an actual scientific instrument equivalent to microscopes used in schools worldwide. Designed for use by ages 11 and up, this is an educational investment that encourages students to increase their science knowledge through independent study. The My First Lab Microscope is affordably priced, making it ideal for home school use. Features: real optical glass lenses; sturdy all-metal construction; 10X wide field eyepiece with pointer; 3 objective lenses: 4X, 10X and 40X; power-magnification from 40X to 400X; built-in 15W illumination and no mirrors to adjust! UL approved 3 wire power cord. Also, includes 5 prepared slides, vinyl dust cover and manual. Overall size: 4 1/2" x 6" x 11" high. Accessory Kit and more comprehensive Prepared Slide Sets available separately.