Learn while having fun with this racket. Gripping Area - memory tool for the student and a teaching tool for the instructor. Teaches the child to hold the racket at the base of the grip. A 23 inch tennisracket can be used with either a red or an orange ball, the racket size is determined by age and the build of child. If you are unsure please contact us on 0116 2622113 for further advise.