| Perhaps his best-known legacy is his work on the mathematics of kaleidoscopes, including those operating in higher dimensions. |
| A list of galleries where the kaleidoscopes can be found is also available. |
| She has a passion for kaleidoscopes, and here she's seen with several of her creations. |
| But lovers of kaleidoscopes, Rubik's cubes, and jigsaw and other puzzles should have a field day. |
| She organized the first American exhibition of kaleidoscopes at Strathmore Hall Art Center in Rockville, Md., the year her book came out. |
| Our unique kaleidoscopes are bursting with bright colors and intricate patterns. |
