18 months & up. Encourage children to get a closer look at the world around them with an All-Weather Magnifying Glass. Molded from new Poly+ material, this waterproof set is the perfect companion for every indoor and outdoor adventure. Solid glass lenses are scratch resistant and protected by over-molded soft-touch plastic. Set includes 4 magnifying glasses. Each magnifying glass measures 7.5" x 3.6" x .9".