Perpetual Motion Machine


3 Responses to Perpetual Motion Machine

  1. Ken Behrendt

    I saw these being sold at a flea market once for a dollar each. Totally useless, but fun to watch.

  2. Martin Gardner

    Nothing to do with perpetual motion; it stops when your hand stops.

  3. Zishy

    this has 0 to do with perpetual motion

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