Waterpolo, or water polo, is a team water sport. A team consists of 6 field players and a goalie. The game is played with a ball constructed out of waterproof nylon.The goal of the game resembles football, to score as many goals as possible, each goal being worth one point. The sport was invented in the late 19th century in Great Britain. Waterpolo is goverened by the Fédération International de Natation Amateur, the aquatics international federation which was founded in 1908.