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Micro Knex Propulsion System

Micro Knex Propulsion System
here is an instructable of a micro knex station for a roller coaster
 
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Step 1The Back

The Back
you need to make the backing
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6 comments
May 15, 2011. 5:50 PMTornado96 says:
One problem! Where's teh station. This is just a chain taking a car over a hill. You need a platform... :-P
May 17, 2011. 1:43 AMTornado96 says:
You gonna edit it? :-P
May 17, 2011. 11:33 PMTornado96 says:
lol
May 15, 2011. 11:25 AM~KGB~ says:
nice

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Author:storm391
snail with a unibrow