2-piece supplementary car set to expand the high-speed train RABe 501 Giruno into an 11-car unit. Factory-installed interior lighting with maintenance-free warm white LEDs. The interior lighting is powered through the continuous electrical connection of the entire train and is only functional and digitally switchable in conjunction with the base set. The pantograph on one of the middle cars can also be raised and lowered separately via the decoder, but only in conjunction with the base set. Both middle cars are permanently coupled together. Guide mechanism in the Jacob's bogies. Scale model reproduction. Minimum curve radius of 360 mm. Length of the car pair is 40.2 cm. The base set 39810 can be expanded into a prototypical 11-car unit with the supplementary car sets 43461, 43462, and 43463.