Join USTA Mid-Atlantic for Winter Red Ball Tennis Play Days – Serving Up Holiday Fun! This free, beginner-friendly event is designed for kids in grades 1–6 to learn the basics of tennis through skill-building activities and exciting games. Free giveaways add to the holiday fun! No experience or equipment needed—just sign up for one or both days- space is limited, so register soon and let your child enjoy a playful introduction to the sport.