Reebok Core Board
Unique new Reebok Core Board technology tilts, twists, torques and recoils with your body's movements, giving you a highly-effective, time-efficient workout. Can benefit anyone from a novice exerciser...
Pros: Different type of exercise than usual, helps balance, works core muscles
Cons: Expensive, bulky, only three workouts made, can't be used without a workout to follow