3. Window Shadows
Cut out shapes in your choice of construction paper and then secure them in your windows with some tape. You can do silhouettes of cats or witches hats and see how the sunshine during the day brings them inside while the indoor lighting and night creates the image from the outside looking in.
4. Ghostly Balloons
These are on the easy and cheap end of Halloween craft ideas. All you have to do is draw or tape a cut out shape of a ghost on white balloon or use a marker to draw a jack-o-lantern face on orange balloons.