Toy Train a. is the engine part of the steam engine which has broken off. It is a thin wooden dowel with several steam pipes.
b. is the rest of the engine. It is a long car with a compartment for the engineer, and six wheels. It has a small hook on the back.

Part of a set of a four piece wooden train. The bodies of the cars have been made with what appears to be balsa wood. The cars have been painted in primarily red and yellow paint. All have a hole in the top for holding something.