The American Mahjong Game Set includes 160 pearlescent layered Mah Jong tiles with a single tile size of 1.14 inches. This tile game, suitable for ages 17 years and up, is designed for 4 players and features a strategy theme. The game set is certified by the Origins Award and offers a giant game version, making it a popular choice for both boys and girls interested in traditional Chinese games like Mah Jong.