Motorised Marble Run

An inspirational design re-engineered for 3D Printing.

Its designed to be used with 10mm balls/Marbles.

It is very addictive to watch. The design allows for use of up to 4 marbles with ease.

You will find the build instructions here:

https://www.youtube.com/watch?v=jIGBb8CHVqw

To complete this project, you will need the following
 

5 MR105 Bearings (If your print is loose or bearings unable to sit square, You may want to double up and put 2 bearings back to back in all the places.)
3 M5 x 20mm Screws
1 M5 x 15mm Screw
1 M5 x 10mm Screw
2 M3 x 20mm Screws
4 M3 x 10mm Screws
1 M3 x 20mm Screw
8 M3 Nuts

1 KCD-101 Switch

1  9V Battery Connector

1 12V Geared Motor (30 rpm)

A small length of DC Wire
Your Favourite Bonding Agent.

And some 10mm Steel Balls
 

You will also require the following tools:
Appropriate screwdriver (Powered Recommended)
Clamp
A pair of pliers.