Prototype: German State Railroad Company (DRG) type Ci-28 (84 593 Schwerin) standard design passenger car, the so-called "Donnerbüchse" / "Thunder Box", 3rd class. The car looks as it did around 1932.

Model: The car has a finely detailed frame with many separately applied parts. The car body has separate interior walls, complete interior details, separately applied roof vents, a reproduction of closed platform railings, etc. The car has built-in interior lighting. The light for the toilet can be controlled separately with a factory-installed digital decoder (also DCC capable) that can be controlled in digital operation and that will work in conventional operation. Minimum radius for operation is 1,020 mm / 40-1/8". Prototype couplers are included. Length over the buffers 43.5 cm / 17-1/8".