Rumpus the dog takes a turn on the HoundRound giant hamster wheelRumpus tries to reach the peanut butter on the HoundRound.

Jumbo & Rumpus fight for the privilegeJumbo vs. Rumpus.

Another HoundRound video, Jumbo on the HoundRound giant mousewheelJumbo demonstrates how to get the peanut butter.

The Giant HoundRound dog exercise wheelSome big dogs try out the Giant HoundRound

Another HoundRound video; Rumpus on the Giant HoundRound dog exerciser.Rumpus tries out the kibble dispenser on the Giant HoundRound.

Why did David build the HoundRound? See Jumbo amped up.Why did David build it? Jumbo in action.