Vintage N Scale Arnold Rapido Toy Train - Caboose and buying 3 cars

For sale is a vintage N Scale Arnold Rapido Caboose 493 Radio Equipped C-20-5 Serr with perfect ladders, a red Arnold Rapido Santa Fe ATSF 4006 "Ship and Travel SANTA FE - All The Way!" freight car, a brown ATSF Santa Fe #145356 DF El Capitan, and buying a brown Union Pacific #184241 "Road of the Streamliners - serves all the west" freight car (without extra information on the sides like the newer version). These were all made in Western Germany and have no moving doors. There are different versions of these cars, so please review the photos carefully. Some of the lettering has faded, but otherwise in great condition!

Each is approximately 1" tall x 3 wide