Jodi's Gym

Offering plenty of activities for kids, the Upper East Side gym features athletic offerings like Mighty Muscle Movers (an action-packed, play-based class for toddlers) and Tumbling Tots (gymnastics for the preschool set) as well as music and dance programs. Best of all: With class enrollment, families are entitled to such perks as free open-play sessions and discounts on birthday parties, camps and special events. Ages 9 months to 12 years.