An apparatus for deterring flies by reversing their flight path has a transparent container that includes a plurality of outwardly facing planar surfaces. A liquid, preferably water, is disposed in the container. A penny or similar planar object formed of copper is preferably secured at each outwardly facing planar surface. Planar objects formed of a material other than copper or having a different color, shape, or varying degree of reflectivity can be used instead of or along with the penny. A hook or other means for hanging the container is provided. An optional battery or AC powered motor may be included to rotate the device around a center vertical axis. A less expensive version that is formed of a flexible transparent plastic container is also shown and described. The containers are either filled with liquid and sealed or are fillable by the user.
