San Diego Zoo - Classic ViewMaster - 3Reel Packet - 21 3D Images From the 1960s Classic ViewMaster - San Diego Zoo - 3Reel Packet - 21 3D Images From the 1960s You will need a Reel ViewFinder viewer available from 3Dstereo here on Amazon to see the 3D images Click on 3Dstereo Logo for largest selection of Quality-Grade ViewMaster, classic, vintage, & new The San Diego Zoo in Balboa Park, San Diego, is one of the most progressive zoos in the world, with over 4,000 animals of more than 800 species. It is also one of the few zoos in the world that houses the giant panda. This set shows images in 3d of: Zoo Entrance Skyfari Ride Okapi Mother and baby Hippo and more