Required Parts

60 RPM 6V DC motor: https://a.co/d/1oOT4mO

10x2mm neodymium magnets: https://a.co/d/bZ7xuiw

Any USB cable with USB wall adapter or battery bank

Assembly

• Print 1x of all parts, and 2x “screw mid or top”
• Wire the motor to the USB cable with the ground wire going to the “+” lead on the motor
• Fit motor inside “motor base”
• Stack “housing base” on top of “motor base” and press fit “screw base” onto the drive shaft of the motor
• Stack as many “housing middle” pieces as desired, with a “screw middle or top” inside each section
• The top of the stack should be a “housing top” with “screw mid or top” inside
• Optionally put a “top cover” above “housing top”
• The “top exit ramp” will sweep the marble from the exit hole of “housing top” into any piece from the Marvelous Magnetic Marble Run ( https://www.printables.com/model/88526-marvelous-magnetic-marble-run ).

For screw pieces, use a 5mm brim and “support on build plate only”

All other parts are designed to print support free, just be mindful of orientation