Features:

• Multipurpose trainer for practicing all your tennis skills, dual-swivel connectors keep cord from tangling
• Builds quickness, hand-eye coordination, and stamina, 15-foot Kinetic Cord stretches up to 30 feet
• Sets up virtually anywhere and stores easily, cord and training balls fit into base
• No need for a ball machine or wall, rugged, non-slip rubber base for indoor and outdoor practice
• Ages 7 and up, base weighs 2.75 pounds includes two practice tennis balls