Ten-pin bowling ball contacts only the 1, 3, 5 and 9 pins; for a left-hander, the 1, 2, 5 and 8 pins. In order to count, a pin must be knocked over entirely. If the pin is wobbling as the automatic pin machine picks it up (or the machine itself knocks over the pin while it is wobbling), it is still considered standing and is not scored. Also, if a pin is moved, it does not change its designation. For example, if the 10 pin were still standing and the 7 pin slid into the 8 pin position, converting this spare would
Bowling ball all down with a single roll. Five-pin bowling balls have no finger holes and are between in diameter. They weigh between . The smaller size and lighter weight of the balls allows bowlers to hold the ball in the palm of their hand when bowling. The ball used in candlepins has a maximum weight of , and has a maximum diameter of , making it the smallest bowling ball of any North American bowling sport. The nearly identical weight of the ball, when compared to that of just one candlepin, tends to cause rapidly delivered balls to sometimes bounce at