What Is Scooter
A scooter is a human-powered or electric powered land vehicle with a handlebar , deck and wheels that is propelled by a rider pushing off the ground . The most common scooters today are made of aluminum , titanium and steel . Some scooters that are made for younger children have 3 or 4 wheels and are made of plastic or do not fold . High-performance racing scooters made for adults resemble the old " penny-farthing ".