Simple operation, without too much cumbersome process, children will like Made of high-quality ABS material, BPA free, non-toxic water-based paint, more durable, not easy to break. The rounded edges are specially designed for children and are very safe. No Battery Needed - Inertial vehicle railway, the car travels very smoothly Easy To Play - No troublesome process, just press the button, the child will be immersed in the game for hours Designed For Children - Safe materials, smooth edges, no need to worry about the safety of children