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
Snooker balls. The game developed its own identity in 1884 when its first set of rules was finalised by Sir Neville Chamberlain, an English officer who helped develop and popularise the game at Stone House in Ooty on a table built by Burroughes & Watts that was brought over by boat. The word "snooker" was a slang term for first-year cadets and inexperienced military personnel, but Chamberlain would often use it to describe the inept performance of one of his fellow officers at the table. The name instantly stuck with the players. In 1887, snooker was given its first definite reference