1. Oct 17, 2020 #1
   

   R P Well-Known Member

   Vancouver, BC, Canada 2023 Solterra Tech Pkg

   Someone has lots of time on their hands... But have to love the ingenuity.
   

    

   Domenick and Fastnf like this.
2. Oct 17, 2020 #2
   

   bwilson4web Well-Known Member Subscriber

   Huntsville, AL

   For 6th grade science fair, I used an erector set and electromagnets to make a 'walking beam.' But I like this one better!
   
   Bob Wilson

    

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