Experience the fun of assembling your very own microscope with the Optigami Build-Your-Own Cardboard Microscope Kit. The microscope can be used as a stand-alone, or it can become a digital microscope by attaching the smartphone platform to help capture photos or videos of your exciting finds. Have fun viewing the included prepared slides. With a powerful 50-400x magnification, the Optigami will help you discover things the naked eye can’t see. The Optigami will provide hours of entertainment! It’s a great way to get the whole family involved and nurture a child’s love of science. Includes: 13 prepared slides, 2 blank microscope slides with coverslips, and (1) eye dropper. Uses 2 AA batteries (not included).