How about welcoming your Halloween party guests with a spooky window projection? If they dare to enter the haunted house (or apartment) the celebration will be a huge success. Absents will be mocked for running away in fear. Chech out this selection from Youtube bellow: Halloween Window Projection Halloween Window Projection 2024 Halloween Window Projection 11 Hours Creepy holograms Halloween Just Got Way Brighter     Learn easy instruction for how to build the set up by  Creative Geekery channel: Easy Window Projection for Halloween     Take it to next level with motion sensor that will amaze your visitors with their step-by-step guide: DIY Motion Triggered Halloween Projection – Jump Scare Build!