Mini Rube Goldberg marble machine


Comments: 2

  • John San Diego
    John San Diego 5 months ago

    that's cool. great job! I'm also doing an Archimedes screw for my Rube Goldberg project. May I ask what motor you used for this project?

    • Paul Long
      Paul Long  5 months ago

      i'm not sure... i think it was something i salvaged. i've used these geared down motors for other screw lifters and it works well.
      https://www.aliexpress.com/item/J34-Free-Shipping-Multi-Purpose-DC12V-Reel-High-Torque-Full-Metal-60RPM-Speed-Reduction-Gear-Motor/32386188231.html?spm=2114.13010608.0.0.heNM3D


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