WONDER CORE Smart : Cardio+ Body Muscle Toning – Fitness Equipment – Muscles Building Exercises- Compact & Portable with… Featured! $114.99 Make sure this fits by entering your model number. Provides total body muscle toning and cardio in one compact system Allows you to target a variety of muscle groups, including your upper, middle and lower abs and obliques, thighs, glutes, calves, forearms, triceps and biceps