Motorized Marble Machine Rolling Ball Sculpture -- Gadgetify
In the past few years, we have covered plenty of cool marble machines here. Dedi Kroya’s Motorized Rolling Ball Sculpture is also worth a look. It has a wood and brass construction. It uses a simple motor to move the balls lift the balls to the top, so you can watch them roll down.
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You are going to need only an AA battery to power this marble run.
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