This Athearn SP Standard Observation #2907 Weber Mille Been in Storage is a ready to go/pre-built model train carriage for the Two-Rail System. The carriage is in C-8 Like New condition and is black in colour. The material is a mix of plastic and steel, and it is in HO Gauge. This carriage is perfect for those who are into model railways and trains, and is a great addition to any collection.