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 Ten-pin bowling Ten-pin bowling is a sport in which a player (called a "bowler") rolls a bowling ball down a wood or synthetic (polyurethane) lane and towards ten pins positioned at the end of the lane. The objective is to score the highest pinfall by knocking down as many pins as possible. Two finger holes and sometimes a thumb hole are drilled into a traditional bowling ball, and weights vary considerably to make the sport playable for all ages. For young children who like bowling, a ramp is often used. Generally, the heavier the ball, the more pins that will