Ok, this time it's the full video.

Music video for the song "Bucephalus Bouncing Ball" by Aphex Twin.

Directed by Craig Blair and Jason Mopas

A boy is taken to the park by his babysitter and left with the worst possible companionship imaginable. Yet, someone steps in and introduces the boy to the best possible friend. But how long can this strange and happy friendship last? (less info)