Introduction: Knex Ball Machine Element: Roll-Back Loop

Picture of Knex Ball Machine Element: Roll-Back Loop

Hey everyone,

Here are instructions for a special loop. You can make the drop longer if you want but not shorter, or the ball will not be able to go over the loop. It works 90% of the time, it's not too hard to build and is really fun to use. You can always watch te video to see it in action.

If there are any questions/ problems feel free to ask me in the comments below.

Thanks for watching/ building,

Thibault Art.

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Bio: Hey everyone. I'm Thibault Art and my biggest hobby is to build huge machines in K'nex. I like also to draw a lot ... More »
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