Our daughter got the wheel to 4.geburtstag. she is for her age very large 1,15m and fits in a good mood We have the caliper is set to its lowest setting occurs easily it has unfortunately not yet fallen on driving and would rather drive wheel construction was also relatively easy colors and design are beautifully something different to the puky colors einzigst the air pump is a problem have to a pump for car valves buy as normal bicycle pumps do not fit