Marble Machine 8x6x5″ No.7
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Copper tracks with soldering. Double sided helical lift, loop, vertical spiral, curvy tracks, switches, four different tracks in total.
Walnut base.
Electrical components are engraved at the bottom, speed is adjustable.
The machine is covered and protected by an acrylic box.
Size: 200x160x130 mm. Approximate: 8x6x5 inches.
10 mm steel balls.
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