Why does a Wiffle Ball curve so much?

The oval holes cut into one half of the ball create uneven air resistance, making it curve dramatically even on a soft throw.

Is the original design still sold?

Yes — The Wiffle Ball, Inc. still makes the classic ball and yellow bat largely unchanged since 1953.

1950s · outdoor

The perforated plastic ball that made backyard baseball safe for windows — its wild curveballs turned every driveway into a stadium.

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The holes let anyone throw a wild curveball without a real windup — no arm required.
It was the safe stand-in for a hardball anywhere a broken window was a real risk.
The bright yellow bat and ball combo is instantly recognizable to generations of backyard players.

Why does a Wiffle Ball curve so much?: The oval holes cut into one half of the ball create uneven air resistance, making it curve dramatically even on a soft throw.
Is the original design still sold?: Yes — The Wiffle Ball, Inc. still makes the classic ball and yellow bat largely unchanged since 1953.