The game combines lacrosse, hockey, basketball and bumper cars, and it was invented in the Chicago area.
"It is the most fun you can have going 4 miles an hour," WhirlyBall CEO Adam Elias said.
There are locations in Chicago, Naperville and Vernon Hills.
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There's no age limit to play, but you do have to be 4' 6" tall.
The goal is to shoot a Wiffle ball into a backboard with your team of five.
Reservations are encouraged. Spaces are reserved on a first-come, first-served basis.
Birthday parties, corporate events and even rehearsal dinners are common at WhirlyBall facilities.