3 years and up. Scooters are fun to ride either sitting up or laying down and enhance coordination, gross motor skills, balance, and more. Each one is 1"" thick durable high-density plastic, lightweight with free flowing 2"" poly casters that are non-marring, rubber composition wheel and maintenance free. Includes safety handles to make this scooter board fun to ride and gives more control. Each scooter has a 200 lb capacity and measures 11.25""L x 11.25""W x 3.5""H.