Marble Machine using Peaucellier's rotary to linear linkage machanism - YouTube
Scrollsaw Workshop: Marble Automation Machine
Ryszard's "marble machine 3" in pictures More
Ronald Walter's marble machine-click to go to site and watch the video on how this amazing machine works.
The Marbleocity Marble Machine Is Made Of Pure Wooden Goodness | TechCrunch
We've been staring at this mesmerizing solar-powered marble machine kit all morning…
Seven amazing marble machines with videos of each one in operation. Created by Paul Grundbacher.
YOUR MARBLE MACHINE DOESN’T NEED TO CHANGE THE WORLD
Very cool marble run toy - it feeds the marbles and they go down different ways to play xylophone, move toys, etc. Woodworking plan to build it yourself!