At least 100 years ago, handmade primitive scooters have been in industrialized cities. A common hand-made scooter was fitted under a Board of skates wheels, more convenient to handle, relies on a leaning or simple connected by a second Board to control the direction of the pivot, is made of wood, 3-4 inches (75-100 mm) wheels with steel ball bearings. The structure of another "advantages" is a lot of noise, like a "real" car. Another structure is divided into two parts: before and after a metal roller skates, connected by wooden beams.
"Adult" folding scooters
Designed for adult foldable Scooter, for more convenient and practical, tend to be more durable, more width and longer pedals, larger wheels and brakes. For example, Xootr, with 180 mm (7.1 in) wheels and pedal designed for adults.
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