Marble Machine 8x6x5" No.3
The balls go up on two sides of the helical lift. It has two switches that divide the marbles into four tracks: loop, vertical spiral, a long track near by the side and a fast twisty track. It’s made from copper, wires are soldered together. It is made on a natural-looking beech wood base. Electrical components are engraved at the bottom, speed is adjustable.
Full size with acrylic cover box: 200x160x130 mm. It has 10 mm steel balls.
Full size with acrylic cover box: 200x160x130 mm. It has 10 mm steel balls.