Model: This car set has 3 dump cars in different colors. The hopper can be tipped to both sides and can be locked in the middle position. The cars have Relex couplers. Each car is individually packaged. Different loads are included for the cars. Length over the buffers per car 11.5 cm / 4-1/2". Total length over the buffers 34.5 cm / 13-9/16". DC wheel set per car E700580.