Get a leg up on your fitness routine. Build muscle easily with this affordable Step Workout system. The Step aerobic activity involves low-impact, high-intensity exerciserecommended by physical therapists and fitness professionals. Non-slip surface make this a practical and easy way to work and tone your body. Comes with an introductory DVD. The Step is America"s original aerobic fitness step system and is widely used by individuals and more than 18,000 health clubs. The Step has a patented design for adjusting and stacking platforms together making it suitable for beginners and advanced steppers alike.