The most intelligent form of exerise equipment available - the Classic Gymnic Ball. 

 

This superior quality ball is excellent for applications in physiotherapy, sports and gymnastics.  The Gymnic Classic is an excellent way to move, get in shape and have fun while exercising to maintain overall health fitness and wellness.  

Other uses include body movement, aerobics, as well as dynamic sitting for coreect posture.  Heavy duty structure and multiple sizes available including a 5' and 6' version.