Requires some basic assembly (Allen keys provided). Meets all safety standards; CE marked. All paint is non-toxic and child-friendly. The 10” tires have a slick tread with a pneumatic inner tube, and the steering column locks at 30 degrees so the bike won't ever jack-knife. Includes a manufacturer’s 1-year guarantee. Recommended for ages 2–6. Seat height: 13.78”. Step: 13.78”–16.93”. Handlebar height: 18.50”.