Here is another rolling ball sculpture that puts on a mesmerizing show in your home. The Summer Marble Run Sculpture comes with a wooden ring base and 2 opposite-direction rotating ring lifts. It also has 3 stainless steel tracks that guide the marbles down.
This kinetic sculpture is made with metals and wood. It measures 34 (H) x 30 (W) x 10 (D). It is powered by a 12v adapter. You can find out more about it here.