The light glinted off the glass as if glimmers of dreams and imagery from a kaleidoscope.
The light glinted off the kaleidoscopic glass.
The first proposal uses no adjectives, it relies on the minds imagery to figure out the objects and light. The second proposal adjectivises the original noun. Especially in the first sentence, word kaleidoscope is last, with the ambition of adding emphasis.
a. An optical instrument, consisting of from two to four reflecting surfaces placed in a tube, at one end of which is a small compartment containing pieces of coloured glass: on looking through the tube, numerous reflections of these are seen, producing brightly-coloured symmetrical figures, which may be constantly altered by rotation of the instrument.
b. fig. A constantly changing group of bright colours or coloured objects; anything which exhibits a succession of shifting phases.