Gamma First Set Kit Developed to make learning tennis fun for kids. Teaching Pros can concentrate on teaching racquet skills and hand-eye coordination while allowing kids to learn in a fun, no-pressure atmosphere. Kit contents are approved by the USTA for 10 & Under Tennis and aligns with the requirements of the ITF Play N' Stay format. The First Set Kit Includes: 1 First Set Tennis Net: Portable, lightweight, quick and easy to set up. The perfect teaching aid for children. Can be used indoors or out. Net is 18 feet long by 33 inches high. Two Revolution Foam Balls: Extra soft tennis balls allow beginners more time to react and set up for the next shot enabling more consistency and control for longer rallies. Twelve Quick Kids 36 tennis balls: Low compression balls that allow more time for reaction. Great for learning. Five Disc Cones: Colorful, flexible targets. 1 Set of Mini Court Lines: Non-skid marking lines enable you to outline your own court.Note: This product may not be in stock in the Holabird Sports warehouse. Please place your order over the phone or call ahead about this product before visiting our showroom. Call 866-860-1416 for more information.