My brother has a scooter and he always likes to take me on rides, but I find it scary. 
What type of license does your brother need for his scooter?  It can vary worldwide.
He uses a Class E or Motorcycle only  driver's license. 
His scooter isn't an italian Vespa is it?
No, he has a Wolf brand model scooter! It looks so nice!
Wolf, that's funny they are both animals because Vespa means Wasp in Italian.
That is funny, kinda crazy actually! His Wolf bike is orange and black, it has a very sleek look and is very comfortable, but I just get scared every time I'm on it. 
They are quite popular for personal transport.  They are more affordable, and easier to park and store than cars.
Yes, and much easier for people like my brother to operate. His mental problems prevent him from being able to comfortably operate in a car or truck.
Scooter (motorcycle)
A scooter (also referred to as a motor scooter to avoid confusion with kick scooter, but not to be confused with a motorized scooter) is a type of motorcycle with a step-through frame and a platform for the rider's feet. Elements of scooter design were present in some of the earliest motorcycles, and scooters have been made since 1914 or earlier. Scooter development continued in Europe and the United States between the World Wars.
The global popularity of motor scooters dates from the post
got type approval, the driver would need a motorcycle driving license to ride. As a side note, Hong Kong doesn't have a moped vehicle class (and therefore no moped driving license), and mopeds are considered motorcycles too.
Electric bicycles are not allowed in any public area, meaning an area where there is full or partial public access. Any kind of pedal assist, electric bike, scooter, moped or vehicle which has any form of propulsion, whether in full or as assist, other than human power