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Hand crank fan (!!!not for use!!!, only conceptual) — image 1
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Hand crank fan (!!!not for use!!!, only conceptual)

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With this cool high gear ratio hand crank fan you always stay cool, and you can take it with you wherever you want.

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This a cool portable fan. All you have to do is to crank the hand crank and enjoy the cold air in your face. But its not any hand crank fan, no in this fan is a high gear ratio installed that means when you crank the hand crank slow the fan is still turning fast. And the best thing: You can take it with you wherever you go.❄Cool, right?❄