Start training your favorite sport with the Messi Training System Flexi Power Pro ball! A robust ball with a good start, which is a training class with the masters worthy! The ball has a high-tech air chamber and a surface structure that gives you better control of the ball. That means you are well dressed to challenge your friends, practice your ball touches and control the ball better than ever. Train like your idol and become a ball artist. From 5-10 years.