Ab Rocket 7892 Abdominal Trainer for $69.99 shipped. Here is a screenshot for reference. Alternatively, it is available at Sears for $64.99 after promo code SEARS5OFF50 with in-store pickup. This workout device tones abdominal muscles and strengthens the core, features 3 resistance levels, and weighs 10 pounds. Most places have it for about $77 or more.