Age Range: 6+ yrs 4 wheeled scooter offer the quietest, smoothest ride of all the scooters Develop gross and fine motor skills also provides children independence from an early age Adjustable height: As child grow very fast you can adjust heights and ride on. Allows you smooth riding also can ride them on the pavement, less chance of accidents too.sharp brakes for emergency stops. Fits to all age group/ no limit of age