12 FT Enclosed Trampoline is offered by our company which help to build muscle and burn fat quickly, by jumping on it. The extended use of a trampoline increases blood cell counts and reduces blood pressure. It also has the added benefit of improving agility and balance. 12 FT Enclosed Trampoline works out include legs, thighs, arms, hips and stomach. When you jump on a trampoline, the flexible surface moves with you as you land, reducing the impact of landing. The repeated muscle contractions you experience from jumping on a trampoline also help your lymphatic system. This trampoline is best for kids and helps them by making their muscles strong and healthy.