1.Material: high quality steel, high quality paint 2.International certificate. 3.For schools, parks and community 1.Material:steel iron with powder.2.Different style,size,and colour are available.3.Function:exercise the thigh muscle,strengh increase waist.4.Exercise:sitting in the seat board,legs bent and feet inspired pedals,hands on your knees,then places your feet firmly place limits.5. ...