Here is another gorgeous handmade marble machine that puts on a show as you let it run. The Gravity Gears Marble Machine has a motorized mechanism to move the balls to the top and restart the cycle. It has a footprint of 8 x 6 x 5 inches and uses 10mm marbles.
More gadgets like this: here
The Gravity Gears marble machine comes with an acrylic cover. It has a red oak wood and stainless steel construction. The artist is selling this on Etsy.
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