3 years & up. Its easy to go on an adventure with the View-Master! With bigger and brighter images, this favorite childhood toy has a fresh new look. Take a safari through Africa, swim with dazzling fish, or experience pre-historic life with each View-Master reel. Venture beyond the deep ocean and explore amazing 3D images of marine life. Reels are compatible with all View-Master viewers. Includes: View-Master Viewer, Set of 3 Marine Life reels containing and a total of 21 3D images, and a Storage Case.