With Halloween fast approaching and to celebrate Disney’s Haunted Mansion ride (and film), let’s reflect on how to create Pepper’s Ghost effect in LEGO. What Is Pepper’s Ghost? Pepper’s Ghost is an illusion technique for making spectral images appear on stage and screen. It was popularized by John Henry Pepper in 1862 (Pepper's Ghost). The illusion works by creating a reflection on a clear surface. The clear surface allows for physical objects and actors to appear to interact (or not) with the ghostly image. The key elements of creating the illusion are as follows: Having a secret chamber out of the viewer’s line of sight. The aforementioned clear reflecting medium that the viewer can’t see. And the ability to illuminate and darken the secret chamber. When objects in the darkened secret room are illuminated, a reflection is made on the clear medium. Unlike on a mirror with a silvered back (or black LEGO in...

