There are three types of carriage for each of our trains, one is fully enclosed, one is semi-enclosed, and the other is open. Fully enclosed carriages have windows and doors. The semi-enclosed compartment has only doors and no windows. However, The open carriage has no doors and windows, and only an iron chain or rope. The open compartment is more convenient for passengers to get on and off. The Australian customer chose an open cabin. If you are buying a large trackless train ride for a farm or a large amusement park or holiday party, you can choose open carriages. If there are many children in your business place, you can choose fully enclosed or semi-enclosed carriages. Any of our carriages can meet your needs.