This Soho haven for toddlers to teens, not to mention harassed mothers, offers you a day of fun for both you and your child.  Certificate includes: 1 day access to the 1500 sq ft indoor playground; unlimited classes for a child; lunch or dinner for 4 at Good Life Gourmet; use of adult fitness gym and exercise classes for the day; one playground pass for a friend; and up to two hours of childcare. 52 Mercer Street. Expires December 2012. www.citibabes.com