The POOF-Slinky 0SA400BL Scientific Explorer Sirius 360 Telescope & Tripod Kit is a very powerful magnification tool that allows viewing of objects up to 180-times closer. This is a great education tool as it helps children make discoveries and explore the environment around them. Study the man in the moon, find deer in the forest, or watch the outfielders play ball with this exciting product. Adults, teens and children will have hours of fun exploring the hands-on basic principles of exploring and astronomy in ways that electronic toys just fall short of. The POOF-Slinky 0SA400BL Scientific Explorer Sirius 360 Telescope & Tripod Kit comes with a 90-millimeter lens refractor, an aluminum tripod, 2X erecting eyepiece, a 20-millimeter eyepiece, a 4-millimeter eyepiece and an instruction sheet. Scientific Explorer is the industry leader in science kits that help develop critical thinking skills, inspire imagination and encourage exploration through interactive experiments and activities that make learning fun. The POOF-Slinky 0SA400BL Scientific Explorer Sirius 360 Telescope & Tripod Kit is recommended for children 8-years of age and older. POOF-Slinky is the manufacturer of the world famous Slinky and the top selling POOF foam sport balls in North America, both manufactured in Plymouth, MI and Hollidaysburg, PA. Ideal and Scientific Explorer are other well-known brands, rounding out the POOF-Slinky family. With roots in the toy industry for over 100-years, POOF-Slinky brands continue to grow and broaden. New generations of kids, their parents and grandparents have proven that classic toys never go out of style. Visit www.amazon.com/alex-brands for more information on Alex Brands and our best-selling line of educational and entertaining products for kids.