Featuring seven mini puzzles, The Cornell Lab of Ornithology Collector's set is perfect for bird lovers and puzzlers alike! This collector's set includes American Goldfinch Mini Puzzle, Belted Kingfisher Mini Puzzle, Carolina Wren Mini Puzzle, Pileated Woodpecker Mini Puzzle, Red-Winged Blackbird Mini Puzzle, Cedar Waxing Mini Puzzle, and Western Bluebird Mini Puzzle. Bird Illustration from the Cornell Lab of Ornithology