★ Remember your sense of balance while playing! ★ Perfect for building basic strength by flying hopping. ★ No springs out so you dont have to worry about your kids getting pinched by mistake. ★ Internal spring makes the post pipe thicker and stronger ★ The inner spring type prevents the spring from getting wet and rusted ★ The grip part is made of EVA material that is easy to grip ★ Non-slip grip tape is used for the step where you put your feet on.