Batter-up! Three fun ways to play help kids learn to hit like a pro. Beginners hit from the tee. When they're ready for a little more challenge, a simple adjustment converts this battery-powered trainer to pop-up pitch play for rookies: balls automatically pop-up from the base, one after another! And for pros, the trainer auto-pitches 3 balls from up to 10 feet away. Includes battery-powered trainer, bat and 3 balls. Requires 4 "D" alkaline batteries (not included).