Pea Pool tally balls can be used with a set of pool balls in their own game of elimination or can simply be used as a process of determining order of play. Best used with a Pea Pool bottle. See the Rules section for an in depth description of Pea Pool. Pea Pool or Kelly pool (also known as pill pool, keeley, the keilley game, and killy) is a pocket billiards game played on a standard pool table using fifteen numbered markers called peas or pills, and a standard set of sixteen pool balls. Gameplay involves players drawing peas at random from a shake bottle, which assigns to them the correspondingly numbered pool ball, kept secret from their opponents, but which they must pocket in order to win the game. Kelly pool is a rotation game, which means that players must contact the lowest numbered object ball on each shot first until the opportunity to pocket their own is presented.