stanwood wind sculpture: kinetic copper triple spinner - falling foliage stanwood wind sculpture for sale is one kinetic copper wind sculpture with a theme of falling foliage. the leaves are positioned so the three spinners will spin in opposite directions once caught in the wind. the entire wind sculpture including the pole and its fixture is made of pure copper with brass hardware. the only metal is the stainless steel ball bearings that are completely covered by brass hardware. the pole is made of heavy gauge copper and secured into the ground by an all copper 4-point anchoring system. with its heavy duty construction and swiveling head, this kinetic sculpture can withstand strong winds up to 70 mph. the wind catchers and arms are not coated and will age naturally. if you want to preserve its original copper shine, you may spray a layer of clear coat on it. we have had great success with clear coats made by rust-oleum (crystal clear enamel) and permalac (original clearcoat lacquer satin). the craftsmanship on this kinetic sculpture is impeccable. the wheels are finely balanced and maintenance free. the sculpture is entirely weather proof and made to last for decades. we proudly back this beautiful wind sculpture with lifetime warranty. size: pole is about 7 ft tall. three wheels are about 40, 28, and 15 inches in diameter, respectively. the spinner portion of the sculpture is 33 inches tall.