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here is an instructable of a micro knex station for a roller coaster
you need to make the backing
now you will make the part that makes it move
now you will make the front
you will make other parts
now you will make the track
you will need 49 chain links
now you will put the gears into the front and back, add chain, add thrack, and add the misc. peices
New K'nex Roller Coaster Propulsion Systemby sgtmik
Full Throtle Knex roller coasterby Tornado96
Challenge: Coasterby NPTechman
Dragon Fire - K'nex model roller coasterby Zorn Industries
Loop. A knex roller coasterby hi1
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