Build strong, lean muscles while burning off excess calories and fat. Designed by a Certified Personal Trainer, iFIT® Body Shaping Cards combine calorie-burning aerobic exercise with muscle-toning strength exercise for a complete 8-week workout.Level 1 - 20 - 30 Minute WorkoutsLevel 2 - 30 - 45 Minute WorkoutsLevel 3 - 45 - 60 Minute Workouts See below to learn more about the level that is right for you. *These iFit® cards are only compatible with Treadmills, Ellipticals, Bikes and Incline Trainers that have iFit® SD card slots.