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How Do Hook and Loop Fasteners Work?
We think today’s Wonder of the Day will stick with you for a long time!
How Do Hook and Loop Fasteners Work?
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Who Invented the Zipper?
Zip on over to Wonderopolis today for a Wonder of the Day that really has some teeth!
Who Invented the Zipper?
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What’s the Right Way To Button Up?
We believe you’ll think today’s Wonder of the Day is as cute as a button!
What’s the Right Way To Button Up?