EuroGraphics Military Helicopters 500-Piece Puzzle (Small box). Featuring over 25 of the most popular military helicopters of history, including the Eurocopter Tiger, the Comanche and the Chinook, this jigsaw puzzle is sure to please any aeronautic enthusiast! 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.