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Instructables.com

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  How to make a ball bearing rollercoaster

  Posted: March 11th, 2010, 8:43am MST

  Scott had always wanted to make some sort of ball bearing rollercoaster and we thought we'd post up the results of his first testing and building sessions. The idea was to make track for ball bearings (or similar) out of something that was fairly quick and easy to work. Scott ...
  By: JamJarCollective
  
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