The Fifteen Puzzle has the distinction of being on one of the world’s best-known puzzles! Originally introduced in 1933, this faithful reproduction of the classic numerical slide puzzle is constructed of smooth, polished metal and decorative enamel, pleasing both the eyes and the hands. With over 30 challenges in all, this award-winning classic is sure to have your number! Includes instruction book with over 30 challenges & leatherette travel case. Ages 14 and up.