An oval-shaped ball is used in the sport that has a circumference of 720-730 mm and weighs around 450-500 g. It is an inflatable bladder enclosed in four pieces of leather. In the Australian Football League( AFL), red balls are used in day matches and yellow during night matches
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There are four goal posts at each end of the ground; two middle (which are taller) and two outer (which are shorter in length) ones. Kicking the ball between the posts helps the attacking team to score the goal.