"Size:21.5*13*8cmMateraial:plasticPower supply:BatteryControl: Switch ControlFectures:Bump and Go Action， runs on smooth surfaces.It will change directions and run when it bumps to somethingExcavator Arm in Action，LED Flashing Lights and Sound Effects.Car battery:3 AA batteries required (not included)，Remote control batteries:2 AA batteries (not included)Description:The Electric Construction Truck is built with high speed wheels and beautiful flashing LED lights. The Electric Construction Truck has a mind of its own; it will drive as if a human is driving it. When it bumps into anything， it will automatically turn away and drive to the other direction. It is installed with beautiful music and makes the noise of a construction truck. It is the perfect idea for Gifts， Birthday Presents， Christmas Gifts， etc."