Prototype: Supplementary car for the high-speed train RABe 501 Giruno of the Swiss Federal Railways (SBB). 1 intermediate car B (B11), 2nd class, with pantograph. 1 intermediate car C (B10), 2nd class. Current operational condition as of 2021. Model: 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 intermediate car can also only be raised and lowered separately via the decoder in conjunction with the base set. Both intermediate cars are permanently coupled together. Guide mechanism in the Jacob's bogies. Scaled reproduction. Minimum radius of operation 360 mm. Length of the car pair 40.2 cm. The base set 25810 can be expanded with the supplementary car sets 23281, 23282, and 23283 into a prototypical 11-car unit. This supplementary car set for the RABe 501 Giruno is available in alternating current version in the Märklin H0 range under item number 43461.