Best Seller | Echo Valley Solar Dueling Bi Plane Rotator Metal | 38 H x 23.63 W x 9.75 D in | Wayfair 4306 Perfectly balancing on a yard stake, this wind balancer features classic bi-planes complete with a spinning propeller. When the solar panel on top of the plane receives light, the propeller will start spinning which causes the planes to fly around the... more | | $79.95 $60.98 FREE shipping go to store |