About: Knex builder here at Instructables. I build Guns, and, Roller Coaster. I currently build about 2-3 guns a month. I strive to post quality as well as quantity. If you have any ideas for a gun for me to try ou...
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Intro: Knex Roller Coaster Side Winder
This is my new project side winder
This took me about a month to build so please tell me what you think Has about 75 feet of track Top speed is about 30 miles per hour