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Uploaded by on Apr 30, 2007

It goes back when it reaches an obstacle.
Find out more things on www.knex.tk

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Entertainment

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Standard YouTube License

  • likes, 23 dislikes

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Uploader Comments (mmeak)

  • Not yet. Invent your own one which can turn! I should not be difficult.

Top Comments

  • Hell, that's OLD technology.

  • Ah, I see how it works. It's top heavy so when it hits something the gears it's driving on one side switch to the other side. Lol, at first I thought the third big gear was for driving on incase it flipped over.

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All Comments (53)

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  • Did you build that your self or did your mom help you?

  • nice!

  • ON WARD WUNDER WEPPON!!!

  • done a similar one 4 years ago

  • whats those circular things that move the object?

  • I've already done that before... haha..

  • Knex!!!!!!!

  • I thinks it's called a WSR or wall sensing robot

  • Isn't that called the wheel?

  • @BIGfart7 I have come to the same conclusion.

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