Join members of the BOSU Development Team for a block party workout that will blow your mind. Using the BOSU Balance Trainer and the NEW BOSU Ballast(TM) Ball, you will get to experience a one-of-a-kind workout that is loaded with drills, skills and over-the-top fun! This special workout is limited to the first 100 people and will definitely sell out. This is the one party that everyone will be talking about!