HOUZON&reg; Runners Led Armband Jogging Safety Lights Night Walking Green Core stability training, ehance coordation: With these discs, you can get exercise of your full body:  hands, feet, abdomen, waist, etc; Intensify your moves such as lunges, planks and bridges by introducing a balance challenge. Abdominal exercises: Imate Abdominal Wheel: Push the slide  forward, as far away from your body as possible, Taking advantage of the  strength of the abdominal muscles to recover. Work on all surface: You can use these discs anywhere and  anytime for its size: homes, hall, outdoors, gym. Thus can save a lot of  time compare with go to the gym to do exercises.