The Optical Illusion Wallpaper is a wallpaper that is sold at the Bizarre Bazaar in Moshi Monsters. There are three Optical Illusion Wallpapers, all with the same name, the others being: Optical Illusion Wallpaper (1) and Optical Illusion Wallpaper (2). The third version of the Optical Illusion Wallpaper has the same description as the first.