Longfield Games bingo mill set This bingo mill automatically selects 1 number at a time. Who are you going to play a game of bingo with? Specifications: Colour: black Mill material: steel Control board material: plastic Ball material: plastic Mill diameter: 13.5 cm Ball diameter: 1 cm Age: from 6 years Number of players from 3 players Contents: 1 Bingo mill 1 Control board 75 Balls 18 Bingo cards 150 Chips Rules of the game