Model: The crane car has an mfx+ digital decoder and sound functions. The crane superstructure with its boom can be rotated 360° on the ring gear. The boom can be raised and lowered by means of a pulley. The main hook made of metal can be raised and lowered by means of a pulley. The crane cab lighting can be controlled digitally. Two floodlights on the boom can be controlled digitally. LEDs are used for the lighting. The crane car has a built-in smoke unit that can be controlled digitally. 4 support arms can be swung out manually and they can be positioned with spindles on the bases included with the crane car. The smoke stack with a smoke hood can be removed or installed. A counterweight made of metal can be partially removed and placed on the buffer attachment. The crane car has a 6-axle car frame and a crane housing constructed of metal. There is a stake car (converted from a type Rms Stuttgart car) with a guide block as a crane tender car. A former Interchange Design type Gl "Dresden" boxcar functions as a type 631 tool car. The minimum radius for operation is 437.5 mm / 17-1/4"! Total length over the buffers approximately 40 cm / 15-3/4".