The updated edition of the bestselling SeaScope by Educational Insights guarantees better than ever underwater exploration for the young naturalists. Dive into the unseen world around you! The GeoSafari SeaScope Underwater Telescope helps you take your explorations beneath the surface, from sea stars to kelp beds, and without getting wet! This water-friendly telescope features 5x magnification, built-in LED flashlight, thermometer, and ruler. Turn on the flashlight and explore dark and murky water, use the built-in ruler to measure specimens, and take a peek at the thermometer to collect more data about your environment. The Educational Toys Planet's underwater science set comes complete with 12-page multilingual instruction and activity guide. Great for use in tide pools at the beach, lakes, ponds, streams or even classroom experiments! This toy telescope requires 3 AAA batteries (not included).