Model: This is a 3 part add-on for the ICE 4 basic train in a length scale of 1?. It has special close couplings with guide mechanisms. The car set also has factory-installed LED interior lighting. The interior lighting is supplied with power from the continuous electrical connections for the entire train and only works and can only be controlled digitally when the car set is coupled to the basic train. Both pantographs on an intermediate car can be raised and lowered with a decoder as a digital function only when the car is coupled to the basic train.Total length 90.5 cm / 35-5/8".