ElfTennis, a portable tennis school, offers tennis classes in the state of the art, convenient, locations throughout NYC. Classes consist of interactive games and drills, competitive point play, agility exercises, and fun, fun, fun. Instructors are PTR certified and former collegiate players. For more information check out www.elftennis.com. Email firstname.lastname@example.org or call 917 426 3264. Mention you are from PS 9 when calling or emailing and the Parents of PS 9 will receive $5 for every group lesson and $10 for every private lesson booked.