EuroGraphics American Muscle Car Evolution 1000-Piece Puzzle. Finished Puzzle Size: 49cm x 67cm. These high-performance automobiles grew in popularity and performance in the early 1960. Hold on tight as we cruise through the years with these spectacular Muscle 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.