Peek N Play opened Nov. 19 at 2805 E. Grapevine Mills Circle, Ste. 150, Grapevine. The business features a 4,500-square-foot indoor play area that includes a treehouse with a slide that goes into a ball pit. It also offers two private areas for birthday parties or other social gatherings. 214-222-5514. www.peeknplayarea.com