A family entertainment center, often abbreviated FEC in the entertainment industry also known as an indoor amusement park, family amusement center, family fun center, or simply fun center, is a small amusement park marketed towards families with small children to teenagers, often entirely indoors. They usually cater to "sub-regional markets of larger metropolitan areas." FECs are generally small compared to full-scale amusement parks, with fewer attractions, a lower per-person per-hour cost to consumers than a traditional amusement park, and not usually major tourist attractions, but sustained by an area customer base. Many are locally owned and operated, although there are a number of chains and franchises in the field. Some, operated by non-profit organizations as children's museum or sc