The appearance design is carried out in combination with the positioning of the user group. Considering that the user is a child, the macaron color system is given priority in color matching, and matte frosted texture is added to improve the texture and wear resistance. The design of the frame is divided by the exhaust holes of the sports car. Compared with the traditional balance car, there are more armrests for children to lift the car, which is convenient for children to use.