Wagon. The wheel and the wagon were developed at the same time. This was at least 5,500 years ago, when people first discovered that they could pull sledges more easily if they fitted the sledges with wheels of solid wood.
Escalator is a moving stairway that transports people from one floor or level to another. Escalators are found in airports, subway stations,… More>>
Caravan is a long train of people and pack animals that travel together for safety through difficult or dangerous country. The name comes from the… More>>
Sled is a vehicle that has parallel runners instead of wheels, so that it can move easily over snow or ice. In the Far North, where snow and ice… More>>
Travois
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