HYGLOSS-Make Your Own Kaleidoscope Kit. Now you can create your very own kaleidoscope! This fun kit has everything you need including a tube (6-3/4 inches long, 1-1/2 inch diameter), mirror, eyehole, chamber with lens, colorful transparent tiles, and instructions. Assembly required. WARNING-CHOKING HAZARD-Small parts. Not for children under 3 years. Imported.