Rolling Ball Sculptures | Marble Machines by Steven Kozari Frank

Rolling Ball Sculpture No.6

Made from stainless steel, Tig welded. It has a long twisty and slower track all the way down. At the bottom 3 marbles sit on the track. It works with a commonly used 12V power supply. The machine's speed is adjustable, steplessly.
It has a solid wooden base. All the electronics and the motor are inserted in the base. It has durable black powder coating.
Width: 580mm Height: 400mm. Depth: 170mm. Approximate: 23x17x7 inches. Marbles are 25mm (1 inch).