The "Jewel" kaleidoscope is made from a vivid bright red stained glass. The cell is made form glass, with a textured glass end cap that gives the image a crystalized image.
The interior has a 2 mirror system with and 8 point symmetry.
The "Jewel" is 7 3/4" long, and has a diameter of1 3/4".
Made in the USA by Bob Ade.