Viewmaster WILD BIRDS OF NORTH AMERICA - 3 Reels 21 3D Images View Master 3D Reels with 21 images of Wild Birds of North America - 3 Reels See the wild birds of North America in their natural habitat - American Bittern, Yellow Warbler, Grackle, Blue Jay and Young, Brown Thrasher, Yellow-Billed Cuckoo, Goldfinch, Bluebird,Loggerhead Shrike, Wood Thrush, Barn Swallows, Wood Pewee, Oriole, Great Horned Owl, Cardinals, Phoebe, Song Sparrow, Humingbird, Blud Winged Warbler, Sapsucker, and Robin You will need a View-Master viewer to view the reels - available here