EuroGraphics American Cars of the 1940s 1000-Piece Puzzle. Due to WWII and material shortages the automobile productions was halted for 3-4 years in the 1940’s however manufactures were able to streamline the cars while producing bigger and more luxurious cars. 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.