Introduction: Micro Knex Propulsion System
here is an instructable of a micro knex station for a roller coaster
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Step 1: The Back
you need to make the backing
Step 2: The Gears
now you will make the part that makes it move
Step 3: The Front
now you will make the front
Step 4: Misc.
you will make other parts
Step 5: The Track
now you will make the track
Step 6: The Chain
you will need 49 chain links
Step 7: Putting It All Together
now you will put the gears into the front and back, add chain, add thrack, and add the misc. peices