This 550 piece jigsaw puzzle contains unique interlocking pieces which make for a fun yet challenging experience!The puzzle measure 24 inches x 18 inches and is proudly made in the USA. Founded in 1987, Ceaco puzzles has remained true to their mission: to create high quality, innovative and challenging jigsaw puzzles and to provide hours of family fun. Ceaco puzzles pride themselves on developing and maintaining long standing relationships with some of the finest artists of their time.