Staminas SpaceMate Folding Stepper not only gives a great low-impact, calorie burning, cardiovascular workout, but tones the calves, buttocks, thighs, and hips, too. The SpaceMate Folding Stepper gives a workout comparable to the larger more expensive stepper workouts, yet with the pull of a pin the SpaceMate Folding Stepper folds and rolls for easy storage and portability.