The Hit Fitness Essential Core Strength Bundle offers a complete package for those looking to strengthen their core muscles. What's included ✓ Hit Fitness Ab Wheel Super: the Ab Wheel has become such a popular equipment not only because it's inexpensive, but because it targets your core muscles while strengthening your lower back muscles at the same time. ✓ Hit Fitness Over Sized Medicine Ball | 3kg: perfect for Seated or Standing Russian Twists, one of the best exercises the develop your core muscles. ✓ Hit Fitness Studio Mat: built PVC foam for comfort and manufactured with non-slip base. ✓ Hit Fitness Power Flat Band Pack: this set includes 3 color-coded bands, with 3 levels of resistance. Resistance bands offer a great alternative and add challenge to traditional core exercises like Side Plank Crunches or Side Plank Leg Raises, effectively helping you develop your entire core musculature.