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.Anti-collision, anti-skid, anti-shock protection design 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. Durable quality and safe materials 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 crashworthiness.