The Power Joy Vroom Vroom Super Engine Inertia construction truck set offers exciting friction-powered play with lights and music, no batteries required. Simply press the excavator toy forward, rub the wheels on a flat surface to create inertia, and watch as the vehicle moves automatically! Designed with movable parts that turn flexibly like real trucks, kids can enjoy more interactive fun. These battery-operated trucks offer great entertainment and creative play anywhere. Perfectly sized for small hands, this durable toy is resistant to falling and wear, making it ideal for kids aged 3 and up. It’s perfect for imaginative play, helping develop fine motor skills and coordination. Product Tags: Inertia truck, construction truck toy, Power Joy Vroom Vroom, lights and music truck, battery operated truck, friction-powered vehicles, movable parts truck, kids construction toys, truck with music, educational toy