Wool is one of 31 Rare Resources and, if present on a map, available from the beginning. It appears as a small herd of four sheeps or lambs. Like all rare resources on land, wool can be gathered by sending a Merchant from the Market to the resource location. Wool provides the following benefits:main article. Also note, that Knowledge is not gathered before the Classical Age, with one exception: The Greeks may gather Knowledge from the beginning, making an early exploitation of this resource more useful.An early connected wool resource can be of some advantage to a nation, as cheaper and faster creation of citizens translates into faster city development and resource gathering, while also saving some precious food. However, from the mid game on, as cities are more or less well developed and resource gathering is usually well established, this bonus becomes almost insignificant. Also, the Chinese do no benefit as much from this resource, as their citizens are created instantly anyway.