Pull-back design the car just needs to be pulled back on the ground and it will move forward which is easy and convenient to play. Make different shapes from the back of the truck using the extruder rail Manufacturered by Jadeshay. The head end of the car is made of alloy material which is resistant to falling and collision. The tire made of rubber material which has good grip effect and strong stability. Create smooth flat road surfaces with the roller attachment Squish and smash your creations with the included jackhammer stamper