Are you a fan of aerobics and you want to make your training more challenging? Then add this aerobic step from Wonder Core to your training. By adjusting the height you vary the difficulty of your workout. In addition, you improve coordination and endurance with it. Moreover, it is adjustable in 2 or 3 heights. With a step training is widely known that you mainly work on your body by continuously getting on and off the step. This is why it is important that the fitness step is stable and firm during training. Fortunately, the Wonder Core fitness step has non-slip top an bottom so that you can safely step continuously.