Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4260565.

One more useless Marble Run Machine.

Things that you need:

1. Motor with Gearwheel 15rpm DC 3-5V
2. 2 Pin ON-OFF Switch
3. Any power source like USB charger
4. Some wires
5. (optional) Steel Balls D=10 mm
6. (optional) 2 Pin Connector Male Female

Instead of Steel Balls you can print Marbles on your printer.

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