Link goes to 3:30 YouTube video. Rolling-ball sculptures typically involve lifting balls via some mechanism and then letting them roll down various interesting routes. Rhymes With "Biscuit" takes a different approach; it has the balls rolling round and round without going up and down (very much).
A new ball-lifting mechanism for rolling-ball sculptures (AKA marble machines, marble runs, or whatever you like to call them) in which the ball magically ascends a helical track in apparent defiance of gravity. Link goes to 3 min. YouTube video.