Be challenged for hours by this complex puzzle, featuring every feathered friend from a tiny hummingbird to a giant emu to owls, waterfowl, tropical birds, backyard birds, and many, many more! Based on art from the acclaimed picture book, All the Birds in the World, by David Opie. 1000 precision-cut pieces fit snugly. Full-sized, full-color poster of finished puzzle included for reference. Finished puzzle measures 28'' wide x 20'' high.