If you want to race on the hardest track known to man, look no further than the Indianapolis Feline-hundred. It undulates. It yawns. It purrs. All the hardest obstacles to face when you are going one hundred miles per hour. That's actually a pretty cool concept. Think about a race track on a living being. The creature could have mini creatures on it, it could shake and rumble. It could rotate. I see a video game or a children's cartoon in the works. Then a toy line. The possibilities are endless.
This brings me back to being a kid and doing this on my dogs. I would have my action figures fight on top of my dogs. It was fun, but never lasted long. I don't think my dogs liked being action figure accessories. I guess they just liked being dogs.