EuroGraphics History of Tanks 1000-Piece Puzzle. A comprehensive look, from the dawn of tanks to modern armoured fighting vehicles, at the vehicles that have taken us into the greatest wars in history. EUROGRAPHICS puzzles are both fun and educational. Puzzle pieces are made from 1.75mm blueboard, and are 100% recyclable, and printed with vegetable-based inks. Finished Puzzle Size: 19.25" x 26.5".