Cue sports playing nine-ball. Snooker balls are smaller than American-style pool balls with a diameter of 52.5 mm ( in), and come in sets of 22 (15 reds, 6 "", and a cue ball). English billiard balls are the same size as snooker balls and come in sets of three balls (two cue balls and a red, an object ball). Other games, such as bumper pool, have custom ball sets. Billiard balls have been made from many different materials since the start of the game, including clay, bakelite, celluloid, crystallite, ivory, plastic, steel and wood. The dominant material from 1627 until the
Big Break The snooker player would play by traditional rules to clear the table, with the support of having red balls removed. The player had the remaining time, left from when the contestant answered his or her questions, to pot all the balls. The first red potted won the player the first prize. However, the contestant could not win any more prizes until the player cleared all the reds from the table, and began potting the colours in sequence, from yellow to black. At the end of the programme, there is usually another familiar catchphrase exchange: Davidson says "Say good night, JV.",