If you are purchasing a horse for a younger rider, then you’re probably interested in Ponies-Miniature Horses. Here is everything you need to know about these pets.
Ponies
Any horse that is under 15 hh is considered to be pony-sized. Their bodies are usually larger in proportion to their height. Some of the more rare ponies are the Chincoteague/Assateague of North America, Sable Island of Nova Scotia, and Newfoundland pony. Here are some other more popular and common ponies:

Miniature Horses
Miniature Horses are bred to look like their larger siblings. They are not tall enough to ride, but many owners like them as pets. In fact, there are places that train miniature horses to help the handicapped.