Bowling ball Bowling ball A bowling ball is a piece of sporting equipment used to hit bowling pins in the sport of bowling. Balls used in ten-pin bowling are typically hard spheres with three holes drilled in them, one each for the ring and middle fingers, and one for the thumb. Regulating bodies such as the USBC maintain requirements for the properties of bowling balls, including size, hardness, and number of holes, as well as maintaining a list of bowling balls approved for competitive play. Other bowling balls, such as those used in five-pin bowling, candlepin bowling, and duckpin bowling are smaller,
Ten-pin bowling interest of the game itself and like the US equivalent it ensures the integrity and protection of the future of the sport, providing programs and services and enhancing the bowling experience, including a coaching education and qualification system. The NAYBC (National Association of Youth Bowling Clubs) is responsible to the BTBA for organizing ten-pin bowling for the under-18-year-olds. There is also the Tenpin Bowling Proprietors Association (TBPA), the trade association for ten-pin bowling of Britain. For BTBA qualified Instructors and Coaches, the British Tenpin Bowling Coaching Association has been set up to help with the exchange of information and ideas