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What Makes a Toy Top Spin?
It’ll be hard to top today’s Wonder of the Day!
What Makes a Toy Top Spin?
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Have You Ever Been on a Diet?
Today’s Wonder of the Day will help you watch what you eat!
Have You Ever Been on a Diet?
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Why Are Batteries Different Sizes?
We hope today’s all-new Wonder of the Day really gives you a charge!
Why Are Batteries Different Sizes?