3 years & up. It's easy to go on an adventure with the View-Master! Take a safari through Africa, swim with dazzling fish, or experience pre-historic life with each View-Master reel. With bigger and brighter images, this favorite childhood toy has a fresh new look. Reels are compatible with all View-Master viewers. Includes: View-Master Viewer, set of 3 reels containing a total of 21 3D images, and storage case.