The Reactive Practice Baseballs on Elastic Cord set is perfect for young baseball enthusiasts looking to improve their skills. Each pack includes 12 practice baseballs attached to elastic cords, providing instant feedback with every swing. Designed for solo practice sessions, these baseballs are great for enhancing hand-eye coordination and refining hitting techniques. Suitable for kids, boys, and girls, these practice baseballs are made from high-quality materials to ensure durability and safety. Whether you're preparing for spring training, enjoying fun outdoor activities, or looking for the perfect party favor, these practice baseballs are a fantastic choice. They offer endless hours of engaging and interactive play, making them ideal for any young athlete.