Round Playing Cards
Back in the day, circular playing cards were just as popular as square ones in certain places. Even nowadays you can find playing cards that come in circular formats, you just need to know where to look.
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The Strangest Natural and Man-Made Items that Actually Exist
The More You Know
- There was a flying dinosaur the size of a giraffe.
- About 7% of all humans who have ever lived are alive today.
- Armadillos swallow air to become buoyant when they swim.
- The glass winged butterfly lacks colored scales, which makes its wings transparent and helps it avoid predators.