universal engineering vehicle model excavator, light and music children's excavator toy Describe: Lighting design, realistic modeling, parent-child interaction, sound design. Flexible parts: The multiple joints of the engineering vehicle can be flexibly, and the joints can be easily changed, and it is to play. Freewheeling: It will automatically turn when encountering obstacles ahead, which is a different experience. Colorful lights: cool lights and cheerful music are and interesting. Style display: choose different styles at will. Packing size: 32.5*13*17.5cm 3xAA batteries(not included Product details: attention to every workmanship, and the product quality is visible. Interior design, simulation modeling. Joint design, flexible. The design of universal wheel can rotate 360. Sound export, clear sound quality. Include: 1X Excavator model