UPDATE: It's loading a little slow, so be patient! Now through May 5th or until supplies last, go to FitStudio and click "Sign Up" in the upper right hand corner to snag a coupon valid for a FREE Stability Ball! Use the promo code ball during the sign up process! Once you sign up, check your inbox for an email to snag your FREE Stability Ball! This coupon is redeemable at Sears stores.