Nothing says Halloween Window Decorations better than simple black silhouettes. Pick up a stack of black construction paper from your local department store and let the kids have at it. Let them go to town with some kid-safe scissors. Here are a few easy-to-make black silhouettes. This can be fun for the entire family and kids of every age. There is no need for perfection, simply grab a sheet and cut freehand. The more unique your Halloween window decorations the better.