Indoor Designs Indoor Designs Add a playground to your family entertainment center. This feature will mostly be designed as a main attraction. Its purpose is to attract more children and families to your center and increase sales. Let us design your unit with entrances and exits in mind, anticipate traffic flow patterns as well as planned seating and controlled access, meet budget, playground objectives and anticipated numbers of children using the playground. Also your play area may require active play elements such as our Ball Arenas and Galleries.