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Insert a 6"- 8" feather in one end of the straw, gluing lightly, if desired. Find the balance point by holding the straw on extended finger so it will not tip; insert pin at this point and stick pin into eraser. Vane will move with the wind, always pointing in the direction from which the wind is blowing. Bind the pencil to post outdoors where vane can swing freely.
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Updated: March 12, 2004