Skeleton Invaders Digital Decor includes 25 different effects! Designed to be projected onto a screen covering your front window the videos may also be projected on a movie screen or wall. Created primarily for massive scale illusions using a commercial 4000+ lumen video projector the larger scenes come to life! One hundred Skeletons can be projected onto a building appearing to be crawling up the side! Also includes videos for smaller 1500 2000 lumen projectors you can project smaller groups of skeletons on interior walls or smaller outdoor walls and garage doors. Additionally, there are several scenes with Skeletons wreaking havoc inside a room, knocking things over, smashing out a window, even attacking a person and knocking him to the floor! Using the included virtual 3D effects versions will give your graveyard set the coolest effect you ever saw Using a 4000+ lumen projector you can create a 3D graveyard with skeletons, ghouls, cats, ghosts walking/crawling in the yard or floor, below a 10 20 foot viewing point such as a deck or balcony. [no 3D glasses required]. Smaller scale 3D Skeletons are also included for garage floor sized areas.