"Kaleidoscopic Viewer" Directions: Push the start button and look into the lens.  You will see random symmetric patterns of color, which constantly change.

The Kaleidoscopic Viewer is an updated version of a toy designed in 1816 by Sir David Brewster. Kaleidoscopes use mirrors to reflect multiple images of colored glass or plastic, that is placed at the end of the lens device. It is a random image device. This exhibit is an electric version of a Kaleidoscope. It uses text to explain random theory and relates this to a visually enjoyable medium. The exhibit requires one 120 V AC outlet or an optional solar power system at extra cost.  It is available in a wide variety of colors. Price $1,800.US plus shipping and crating. Please allow 8  weeks for fabrication and delivery.