Get in the game! In fun and friendly one-hour sessions, Quickstart uses age-level appropriate drills and skill-building activities to get kids playing quickly. No tennis experience necessary.  Four locations: Manhattan Plaza Racquet Club, 450 West 43rd Street; Roosevelt Island Racquet Club, 281 Main Street, Roosevelt Island; New York Tennis Club, 3081 Harding Avenue, Bronx; Columbus Prep School Gym, 5 West 93rd Street. Valid for Fall 2012 semester. www.advantagetennisclubs.com