Train 5024 of the S25 line Heiden-Rorschach is running down between Wartensee and Sandbüchel, with articulated, partly lowfloor cogwheel railcar BDeh 3/6, and open observation cars B # 6, # 5 and # 4. These three cars with painted wooden benches date from 1875 and were renovated last winter. The RHB, which is part of the Appenzeller Bahnen nowadays, run this open cars daily during the sommer with each train, weather permitted.