Horse breeds: The falabella ponies are the smallest know to man, reaching to only about 3 ft. Tall when fully grown! Pony of the Americans is a awesome horse for kids. They have a perfect slope in their backs so it's easy to stay on, even bareback.
Brookie, the largest horse ever recorded was a Belgian Draft named Brooklyn Supreme, who weighed lbs and stood at hands. He wore a collar and boasted a girth measurement of 10 feet, 2 inches around. It took 30 inches of iron for each of his horseshoes.