Ronald Walter's marble machine-click to go to site and watch the video on how this amazing machine works.
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.
Scrollsaw Workshop: Marble Automation Machine
Zero State Reflex - Infinite Marble Machines
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!
Seven amazing marble machines by Paul Grundbacher
Marble Machine using Peaucellier's rotary to linear linkage machanism - YouTube
Seven amazing marble machines by Paul Grundbacher made with scrap wood from nearby factory.
Minimalist Marble Machine « Adafruit Industries – Makers, hackers, artists, designers and engineers!