But how do you play Knockerball?
You've seen the giant inflatable knockerballs... but how do you actually use them? Midday Michelle finds out.
Knockerball Official Commercial
The official Knockerball commercial.
Knockerball Hit of the Week
More to come...stay tuned.
Colleges love us!
Knockerball with the University of Hawaii football team.
Everyone loves Knockerball!
Watch Cam Newton getting in the ball and dominating!