Added: 2 years ago
From: arvindguptatoys
Views: 20,589
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  • hey...great work..

    but what principle is used in this?????

    plzz tll me..

  • @Deveshkiranhegde simply said, vibration of the pencil got in resonance with the propeller which as a cause starts to rotate...

  • wtf, youtube, fuck autoplay...

  • Excellent,but when I tried it I failed.Awesome trick

  • wow~ @Anubis1372 i meant to click the thumb-up one.. sorry~ lol

  • @qinyuan464 nah, i made it up for him :D

  • excellent...good work!

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