The weather vane, or vane, is used to indicate the direction of the wind. It is often found on the roofs of houses or farms and has been used for hundreds of years by farmers to determine wind direction N, S, W, E and predict weather conditions. Weather vents are not found on top of overly modern buildings and it is still a choice for the owner to make. Small swivels are often found in the lawns of houses or attached to strollers to entertain children.
Steps
Step 1. Cut the ends of a straw in half
Step 2. Use paper to make two triangles and insert them into the openings of the straw
Glue the triangles in that position.
Step 3. Use a pin through the straw to attach it to a pencil eraser
Make sure the straw rotates freely.
Step 4. Support the pencil with a yogurt container or cup
Use adhesive putty to fix everything onto a card.