WorldaWhirl Whirligig Wind Spinner Display Motor Revolve Twist Turn Twirl Swirl Back and Forth (Battery Powered Intermittent) Revolve items back-and-forth or in one direction; Adjust the speed by double wrapping the string and clips that are included Motor runs for 1 second twisting up a string, stops for about 1 minute, and runs again for 1 second New improved design will hold 3-4 pounds; Perfect to display chimes, yard decor, or 3D wind spinners Intermittent rotation means you get very long battery life; Requires 6 'AA' batteries (not included) Several buyers did not read the product info and posted very unfair reviews. Please note the WorldaWhirl Back-and-Forth Intermittent motor is designed to wind up a string for only one second per minute. It winds up the string once per minute to achieve either back-and-forth or single direction rotation by adjust the string length. Use coupon code 'READINFO' to save 15%!