Marble Machine 8x6x5″ No.2

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The machine has two flat spirals in one track and a fast track. The balls go through rings which are the track spacers. It’s made from copper, wires are joined with soldering. Natural-looking beech wood base. Electrical components are engraved at the bottom. The speed is adjustable.
The machine is covered and protected by an acrylic box.

Size: 200x160x130 mm. Approximate: 8x6x5 inches.
It has 10 mm steel balls.

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