It delights children, who work on balance and tone without even realizing it, just by playing. Athletes of all levels use it in physical preparation, as well as in recovery, whatever their discipline and size. Ultra efficient in weight training, cardio, core strengthening and also weight distribution, it allows surfers to continue to work out of the water and to keep an optimal physical condition while unable to surf. Its action on the deep muscles fullfills the home workout and occasional sportsmen, as well as professionals. Physiotherapists are delighted to be able to offer their patients a complete, fun proprioceptive tool that allows them to vary their treatments. It also obtained a very high percentage of psychomotor specialists validation, as much for its effectiveness as for its popularity among patients. Finally, it is even happily welcomed by our seniors, especially for joint work and to prevent the risk of falls.