The Happy Mask Shop is a shop from The Legend of Zelda: Ocarina of Time. Situated in Hyrule Castle Town, the Happy Mask Shop is unique in that it sells "happiness" in an indirect manner. The proprietor, the Happy Mask Salesman, gives masks to his customers, and they are meant to sell the masks to people who want to buy them. The customer then brings the money back to the Happy Mask Shop, and gives it to the Happy Mask Salesman. This process, in return is supposed to give the customer happiness.