This is the feature video of the Mini Golf Marble Machine. It is a single themed marble machine with 4 tracks and several key features such as a loop, water wheel, plinko board, and a cottage. There is only a motor to take the marbles to the top. Momentum and fate then decide which track each marble will take. This machine took 6 months to build as something I did in my spare time. The machine has a footprint size of 2 feet by 2 feet and stands 22 inches tall at its highest point.

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I documented the entire building process and list all of the episodes here (it goes step by step from start to finish):

Entire Playlist:    • Mini Golf Marble Machine  

1. Building a Mini Golf Hole    • Mini Golf Marble Machine Build, Part ...  
2. Plinko    • Mini Golf Marble Machine Build, Part ...  
3. The Loop    • Mini Golf Marble Machine Build, Part ...  
4. Toilet Bowl    • Mini Golf Marble Machine Build, Part ...  
5. Windy Path    • Mini Golf Marble Machine Build, Part ...  
6. Water Wheel    • Mini Golf Marble Machine Build, Part ...  
7. Spackle and Stain    • Mini Golf Marble Machine Build, Part ...  
8. Green Paint    • Mini Golf Marble Machine Build, Part ...  
9. Blue, Orange, and Grey Paint    • Mini Golf Marble Machine Build, Part ...  
10. Red and Yellow Paint    • Mini Golf Marble Machine Build, Part ...  
11. Red Cottage    • Mini Golf Marble Machine Build, Part ...  
12. Plastering    • Mini Golf Marble Machine Build, Part ...  
13. Rockwork    • Mini Golf Marble Machine Build, Part ...  
14. Rock Filler    • Mini Golf Marble Machine Build, Part ...  
15. Finishing the Left Side    • Mini Golf Marble Machine Build, Part ...  
16. Walls and Ground Paint    • Mini Golf Marble Machine Build, Part ...  
17. Rock Painting Pt 1    • Mini Golf Marble Machine Build, Part ...  
18. Rock Painting Pt 2    • Mini Golf Marble Machine Build, Part ...  
19. Backside    • Mini Golf Marble Machine Build, Part ...  
20. Landscape Trial    • Mini Golf Marble Machine Build, Part ...  
21. Landscape    • Mini Golf Marble Machine Build, Part ...  
22. Castle    • Mini Golf Marble Machine Build, Part ...  
23. Finishing Touches and Water    • Mini Golf Marble Machine Build, Part ...  

Final Video Prequel    • Mini Golf Marble Machine Prequel  

Machines like this are often referred to as a marble run, rube goldberg machine, marble maze, or a rolling ball sculpture.