The lucky 8 twirler kinetic wind sculpture is made of pure copper with brass hardware. The spinner moves with the slightest breeze and the kinetic sculpture can withstand strong winds. The wind catchers and arms are not coated and will age naturally. The sculpture is entirely weather proof and made to last for decades and has a lifetime warranty. Size: The entire sculpture (above ground portion) is about 6 ft. tall. The head is 24" x 24".