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Hey guys!, its been a while isnce i poste anything on Instructable!, but here it is i`ve made a new roller coaster in the past weeks!,
i give you, Railgun!

http://www.youtube.com/watch?v=TVTkyl5Bv-I&feature=youtu.be
<p>Nice job.</p>
I'm curious. do you design the coasters before you build them or do you just guess and check while you build?
<p>why is the vid private! I want to see it </p>
<p>Pretty nice coaster!</p>
<p>Wow, great job! Also good job on the vid, I really liked it :)</p>
<p>thanks so much!</p>
<p>Awesome coaster, great work! :D</p>
<p>Thanks! :)</p>

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Bio: Hi!, I`m Levi I`m back building! and i play Videogames like Fifa 14/15
More by cooljupjup:Railgun, A knex Roller Coaster Knex 6 Foot Ferris Wheel Knex Roller Coaster: Fire Dragon 
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