A unicycle is a one-wheeled vehicle that is powered by the rider's pedaling. Unlike a bicycle, which has two wheels, a unicycle requires balance and coordination to ride. Riders sit on a seat above the wheel and use their legs to pedal forward or backward. Unicycles are often used for fun, exercise, or even performance in circus acts. Many people enjoy learning to ride a unicycle because it can be a fun challenge. Some riders even perform tricks or stunts, showcasing their skills in competitions or shows. The sport of unicycling has a community of enthusiasts who share tips and techniques, making it a great way to connect with others who enjoy this unique activity.