It consists of a cylinder of 37 numbers and a game mat where players place their bets. She is animated by a table manager and a dealer and plays with 1 to 7 players. An electronic version of this game is available in your Carlton Casino.

To play, bet on one or more numbers or families of numbers by putting your chips on the carpet. The dealer turns the cylinder, announces « Make your games » and throws the ball. When the dealer announces, « Nothing goes well », you can not bet or move your chips anymore. The ball comes to rest with the winning number.