Gaiam 6-Pound Abs Ball Workout Kit $10.13 free shipping with Prime (FSSS)
from Amazon
Price subject to changeSix-pound abs ball workout kit for efficiently
sculpting your core
35-minute workout DVD hosted by Ironman triathlete Jonathan Roche
Sure-grip, six-pound ball offers pair of handles for easy holding
Shows user how to define obliques and abs for optimum result
Gaiam 6-Pound Abs Ball Workout Kit: http://www.amazon.com/Gaiam-6-Pound-Abs-Ball-Workout/dp/B000PHB