1CommentsPortland, OregonJoined September 2nd, 2012
Sir Isaac Newton's law of universal gravitation explains it. We only strive to enjoy it. Everything SIN Cycles is built and designed by: Harlan Whitman and Ryan O'Brien. We build gravity machines. For you if you like. Contact us for pricing.
  • 6 years ago

    scycles joined Instructables!

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