American Mahjong Set Classic with 4 Tile Racks 166 Tiles Wood Case The set can be used to play with traditional Chinese rules or American rules. English manual is included. The case measures 22-7/8''L x 9-1/2''W x 2-3/4''H. The weight with case is 15 lbs. Inside the case, there are 3 dices, 1 set betting coins, 4 tile racks, 2 velvet lined trays for tile storage, and a wind indicator button for seating placement. Tiles are engraved with Chinese characters and numbers. Tiles are made of high quality melamine and each tile is 1-3/16'' H x 7/8'' W x 1/2'' T. 166 Tiles Include: 36 Craks, 36 Dots, 36 Bams, 16 Winds, 16 Flowers, 12 Dragons, 10 Jokers, and 4 Blank Spare Tiles