tecnifibre stage 3 red tennisball for kids 36 ballsStage 3 tennis balls in red felt for younger children who have started playing tennis. Also perfect for mini tennis at home for the whole family. The balls are 75% slower than normal tennis balls. Red felt balls bounce lower and move slower through the air, giving beginners the chance to get into position and hit the shot properly. ITF Approved Stage 3 Quantity: 36 pcs in a zipped bag. The bag is easy to carry and defend the balls in.