EuroGraphics World War I Aircraft 1000-Piece Puzzle. Finished Puzzle Size: 49cm x 67cm. Perfect for the history buff and the aviation enthusiast, this puzzle depicts 34 World War I airplanes from countries such as France, Germany, England, Italy and the USA. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.