Hand-crank marble climber machine - Gadgetify
In the past few years, we have covered plenty of cool marble machines here. This 3D printed marble machine kit is also worth a look. It is 3D printed in 7 colors. It has 97 pieces and can be assembled easily. It has a simple handle that you can turn to get the balls moving through the machine.
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EarthLaughtCreations is selling this affordable kit on Etsy. More information is available here.
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