Chapter divided into four teams. Members invite visitors on the bingo card to get a daub on the space. If a member sponsors a visitor to membership, that space is locked out by the the team the sponsoring member is on. A bingo is achieved by getting five in a row (with a free-for-all center wild space for sponsoring a member) or the corner postage stamp and the center wild space.

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The member with the most invites will receive a free month of room dues, and the winning team with the first bingo will win a prize not yet announced!