A child's tennis coach is one of the most influential people in its tennis journey. It is up to you to give them the greatest start possible. And HEAD is by your side. The HEAD T.I.P. Balls are coming in a 72-polybag consisting of HEAD T.I.P. GREEN, the perfect combination for every lesson. The T.I.P. balls are part of HEAD's Tennis Instruction Program (T.I.P.), a unique approach to help youngsters learn the game right, developed in cooperation with the International Tennis Federations "Tennis Play and Stay!” campaign.