This is a unique machine in that the various marble chutes are interchangeable.

Watch for the mechanisms at the top for grouping the balls.

Watch the video to see the action.

Here's the next machine in our series — “The Pythagoras Switch”

In this one the tracks are set up across several pieces of furniture. The picture below only shows a small part of the setup.

Go To The Next Page To See All The Action   or     Go Back To Page 1 In This Series

Next Page »