Originally introduced in 1933, one of the world's best-selling puzzles is available in a stainless steel and enamel version. To play, scramble the tiles, numbered 1 to 15, slide them around until they are in correct numerical order. Includes an instruction booklet with more than 30 challenges and a leatherette travel pouch. 15 tiles and one game board. Game board measures 2-1/2" square. Ages 8 and above.