The most common rule set in games sold commercially as Mancala is for this game of Kalah. Mancala is actually a whole family of games. Kalah was invented in 1940 by an American, William Champion Jr.. He started selling the game in 1944, patented the rules in the 1950's, and founded the Kalah Game Co. in 1958.<br/><br/>The game is played on a board of...