1. A method for providing an interactive display, comprising: providing a volume of granular display material; storing a guide image in memory of a control system; storing a display image in memory of the control system; with a projector controlled with the control system, projecting the guide image on an upper surface of the granular display material; and with the projector, projecting the display image on the upper surface of the granular display material, wherein the projected guide image comprises an outline of an object, wherein the projected display image comprises an image element that is mapped to a location of the outline of the object, whereby a location of the image element on the granular display material during the display image projecting at least partially overlaps a location of the outline of the object on the granular display material provided during the guide image projecting, and wherein the projected guide image further comprises an instructional component, whereby a user is instructed to move a portion of the granular display material into or out of a section of the upper surface corresponding to the outline of the object.