This monster trucks can improve your child's hands-on ability, resilience, color discrimination and more. Safe, durable, anti-fall, anti-collision and powerful. Non-toxic, harmless and odorless ABS Plastic There are 4 anti-vibration springs, and the monster truck's baffle protects the body from direct impact. The non-slip rubber tires and the ground produce strong friction, and the toy car can move forward steadily. Unlike other common plastic pullback trucks, our bodies use high-density and tough plastics, and the tires use highly elastic rubber. Good quality ensures that the car has greater crash-worthiness.