Springen Tennis Trainer Rebound Baseboard Tennis Ball Self-Study Practice Tool Equipment Sport Exercise for Beginner with 2 Balls

b>Springen Tennis Practice Training Sport With 2 Balls Features: Maximize your speed and cardio The perfect trainer for practicing all your tennis skills Builds quickness, hand-eye coordination, and stamina Sets up virtually anywhere and stores easily: cord and tennis balls fit into base Practice on your own without needing a ball machine or a wall Rugged, non-slip rubber base for indoor/outdoor practice No need for a ball machine or wall Dual-swivel connectors keep cord from tangling Includes two practice balls Ages 7 and up Package Includes: 1 x Tennis Practice Base 2 x balls