Features deluxe triangular tiles with brass spinners Classic domino gameplay with added strategy A great addition to your game collection Recommended for 2-4 players, ages 7 and up Contents: 56 Crystalline Deluxe Playing Tiles With Brass Spinners, 4 Plastic Racks, Complete Instructions in English More than 21 million units sold! Tri-ominos...The classic triangular domino game! Score points by matching numbers on the three-sided pieces. Contains 56 playing tiles with brass spinners, 4 plastic racks, and complete instructions.