Metal Sonic Projectors

Metal Sonic Projectors(メタルソニックプロジェクター Metaru Sonikku Purojekutā?) or Metal Sonic Holograms, are machines invented by Dr.Eggman. These blue and gray colored devices is hidden in each zone in Sonic CD. Each one displays a hologram of Metal Sonic kicking and harassing the small animals in Little Planet. The Metal Sonic Projectors are in the Past, which can be accessed by Sonic running through the Past Signpost.