Bowling ball random when impacting a full rack of pins on the first delivery of a frame, and sometimes when hitting downed "dead wood" pins on subsequent deliveries—the candlepin bowling sport is the only major one that allows fallen pins, provided no part of any fallen pin extends more than 24 inches (61 cm) forward of the head-pin spot, to remain on the lane's pindeck to be used in knocking down more pins with the next ball delivery in the same round—up to three balls are delivered, much as in duckpins, in each round of candlepins for one bowler. Bowling ball A
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