shell adopts high abrasion resistant engineering plastic material made from; Music function; Configuration MP3 intelligent controller, timing, music, counter and so on; Tire USES professional high wear resistant electric inflatable tires ( Compared to other manufacturers for the wheelbarrow tire no quality assurance) ; Steering performance mainly adopts the ball head rod, balance arm, steering wheel and shaft and other ancillary components ( Our products take to slow down the device, make to more lightsome, has the characteristics of automobile steering, there is no the other manufacturers, because the structure is different from our products, cause the steering Angle is too large, when the car is moving, a dozen turns make vehicle with steering Angle is too large and easy to tilt, prone to dangerous) Chassis for standard square steel structure, the maximum load bearing 180 kg; Cover more use PVC Oxford cloth, light has wear-resisting, bright, beautiful, easy to clean, do not fade, etc.