Roller sports refer to a variety of activities that involve skating on wheels attached to a boot or shoe. These sports can be performed on different surfaces, including skate parks, streets, and rinks. Popular forms of roller sports include roller skating, rollerblading, roller hockey, and speed skating. Participants use their skills to perform tricks, races, or team games. Roller sports can be enjoyed recreationally or competitively, with events organized at local, national, and international levels. Many athletes participate in roller derby, a contact sport played by two teams on a circular track. Roller sports promote physical fitness, coordination, and balance.