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 and trick shot challenges) of the complex technique required to bowl successfully and compete at higher levels. However, the debate over whether bowling should be considered a "sport" or a "game" continues. A distribution table for scores using traditional scoring in ten-pin bowling may be found at http://www.balmoralsoftware.com/bowling/bowling.htm. It shows that there are just under 6 possible ways to obtain a score, ranging from 1 way of getting zero (20 gutterballs in a row) to 1 way of getting 300 (12 strikes in a row). Ten-pin bowling Ten-pin bowling is a sport in which a player (called a "bowler") rolls