EuroGraphics The World of Birds by David Sibley 1000-Piece Puzzle. Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". This collage of birds is sure to be a bit with any bird watcher, showing well over 100 types of various birds. Strong high-quality puzzle pieces. This superior quality puzzle will delight and educate all at the same time.