This piece is a small scale HO Scale or 1/87 Scale model. It measures 4 inches long.  From wheel to wheel it measures about 1.75 inches wide; so this is a very small model that fits on the palm of your hand.

 

The wheels and can roll freely and smoothly.

THIS IS NOT A TOY. It is very small and fragile. It is made mainly for display purposes.

The model comes in a beautiful multicolored metal can. The can is a much collectors' item as the model itself. 

The can measures 6.25 inches long, 2.75 inches wide and 3.75 inches high.