Sold by the National Mah Jongg League, the card changes yearly, each April. With more than 150 tiles and four racks, Mah Jongg sets typically weigh between 8.5 and 13.5 pounds, so travel sets that ...

huddled over tile racks that remind you of Scrabble tiles on their racks, National Mah Jongg League cards and pretty change purses plump with quarters. These gambling ladies mean business.