Woodball was invented in Taiwan that has similar characteristics to goal; but instead of putting the ball into a small whole the ball roles through a small gate like croquet. This sport was picked up and turned into a game that is now played internationally.
According to the International Woodball Federation’s Rulebook:
(1) The ball should be a round-shaped sphere made of wood, 9.5cm±0.2cm in diameter and 350g±60g in weight.
(2) Numbers and the Woodball emblem can be marked on the ball.
(3) The specifications of the ball are shown:
International Woodball Federation – http://www.iwbf-woodball.org/en/2-2.php
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