Heavy TruckROKR Heavy Truck 3D wooden puzzle reproduces the most characteristic vehicle in modern transportation. With a robust and sturdy outlook, you can imagine it roars through the wild road when finished. Robotime ROKR 3D wooden puzzle Heavy Truck LK401 is a 1: 40 scale model self building kit. It is a robust and heavy vehicle with a realistic mechanism. Build your roaring truck, and let it take you to the wild road.