Answer:
Hoofed frolicking.
It flies when it's on and floats coming off.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
Of no use to one, Bliss to two. Men lie for it. The baby’s right,
What covers its face with its hands, speaks no language, yet most known what it's saying?