What is Station Cash?

From Free Realms Wiki

Station Cash is a form of currency that is usable in most Sony Online Entertainment games (for example, Everquest 2). The Station cash must be purchased with Real Money ( Dollar, Euro, ETC), The Station Cash will automatically be added to your account. The Station Cash you purchased can be used in-game to buy different items, pets, clothing, and common game items that are usually unattainable through normal means of playing the game.