An apparatus for generating an optical illusion comprising at least one mirror, and placed in front of the mirror a figure that is visible directly as well as via the mirror, the at least one mirror being rotatable about an axis of the apparatus, and while in use, the figure describing a path about the axis of the apparatus in such a way as to be continuously in front of the mirror, the figure during its progress over the path around the axis of the apparatus undergoing a rotation from its body axis as a rate of rotation that depends on its rate of progress over the path.