An amphibious automobile is a special kind of car that can drive on roads like a regular car but can also float in water like a boat. It has a special body made of strong light-weight materials so that it can not only move on the land but can also float easily on the water. It has powerful engines which drive ordinary wheels on the land and it has a propeller to move in water. It is a very useful vehicle and can be used to travel on land as well as water.