Bowling ball to skid longer before reacting (hooking). Reactive cover stocks finishes include "matte" (aggressive reaction), "shiny" (longer skid distance than matte finish), "pearl" (greatest skid distance among reactive cover stocks), and "hybrid" (combination of skid distance and back end reaction). Duckpin balls weigh each, with up to three balls delivered per round (or "frame") of bowling for one bowler. The duckpin ball has a maximum diameter of , slightly larger than a candlepin ball but, like a candlepin ball, contains no finger holes. Duckpins are correspondingly shorter and lighter than their ten-pin equivalents and it is more difficult to knock them
Ten-pin bowling been on display at the International Bowling Hall of Fame and Museum in St. Louis, Missouri (before its relocation on January 26, 2010, to the International Bowling Campus in Arlington, Texas), however, shows British bowlers playing the sport outdoors, with a triangular formation of ten pins, chronologically before it appeared in the United States. A photograph of this painting appeared in the pages of the US-based "Bowler's Journal" magazine in 1988. While still closely related to the German nine-pin game "Kegeln", the modern version of ten-pin bowling that became a popular participant sport worldwide was an American creation. German immigrants