Make learning tennis easier and more enjoyable with the Penn Red Ball Tennis Ball. Designed for Red Ball Tennis programs , this Stage 3 ball features a lower-compression construction with modified speed and bounce to provide greater control during introductory play. Designed for use on 36-foot courts , it helps developing players build confidence, sustain rallies and learn the fundamentals of the game. Product Features Stage 3 Ball: Designed specifically for introductory Red Ball Tennis programs. Lower Compression: Features 75% lower compression than a standard tennis ball for easier control. Modified Speed and Bounce: Provides a more manageable playing experience for developing players. 36-Foot Court: Designed for play on smaller 36-foot tennis courts. Durable Construction: Features a durable felt and rubber construction for consistent performance during practice. Learning Focused: Helps developing players build confidence and sustain rallies while learning the fundamentals.