Hit Zone Deluxe Tennis Air Tee Training Aid With Variable Speed Control - Ball Floats in Mid Air - Model T3-HZBV - Includes A Dozen Gamma Foam Balls - Bonus 14.5" Sleeve - MADE IN THE USA! YOUR HIT ZONE DELUXE comes with 12 Gamma foam tennis balls. These are the recommended ball as they work great with the Hit Zone. The Gamma Revolution ball, along with other foam tennis training balls, will also work well. REAL TENNIS BALLS DO NOT WORK WELL. The Gamma ball floats in mid-air. This is an excellent training air for kids and a great confidence builder. Tennis coaches around the world enjoy teaching with the Hit Zone. THE GAMMA BALL floats in mid-air. This is an excellent training air for kids and a great confidence builder. Tennis coaches around the world enjoy teaching with the Hit Zone. They often report back that their students call the Hit Zone the Magic Machine! OUR PATENTED HIT ZONE uses a specially designed fabric sleeve to deliver the air stream. If the kid's racket hits the "T" - no big deal - it will swing right through it. This is a huge benefit! Kids are going to tend to swing in order to miss the Tee, rather than swinging to properly strike the ball. That has all changed with the Hit Zone! The player can now concentrate on making contact with the ball! The Hit Zone also works great for baseball, softball, and tee ball practice. Just about any lighter weight non-fuzzy ball will work. The Hit Zone air tee makes practice fun again!<br> The ball is suspended in mid-air - no worries about hitting the tee!<br> The Deluxe unit has a variable speed control switch which allows<br> the coach or player to adjust the height of the ball or to use oversized<br> foam balls too.<br> Swing right through the sleeve, you&#039;ll hardly notice it&#039;s there.<br> You player can practice by themself - No one has to hit the balls to them!<br> Light weight and compact - making it easy to bring everywhere.<br> Spinning and movement of ball replicate a real shot.<br> Set up in the driveway or basement and practice at home! The body of the Hit Zone is made of strong steel.<br> We chose a high quality Sanatec Polyethlene material to make the base for the Hit Zone.<br> It is sturdy and made for heavy duty outdoor use.<br> The flexible fabric sleeve is made out of durable ripstop nylon<br> material. It is the same material that well made outdoor products<br> are made out of.<br> Simply plug into a 110v outlet and it is ready to go! When using<br> outdoors, please be sure to plug into a GFI protected outlet.<br> The Hit Zone only weighs a few pounds. It easily fits in the equipment<br> bag so your kid can bring to the court or a friends home.