how to built it

1. find the center of a wooden board.
2. place poles 8cm from the center.
3. put a wooden pole connecting the two poles.
4. screw an eye screw into it the center.
5. sharpen a dowel and place it through it.
6. cut a water bottle in half.
7. glue the water bottle together again yet apart as to hold the wind.
8. make 4 coils each with 200 coils.
9. glue 4 earth magnets on to a circle of cardboard.
10. place the circle on to the dowel.
11. glue the coils to the wooden board