Anyone remembering the Iceman figure from last decade will recollect the rather cool blue ice gimmick. The figure would turn blue in places when placed in a freezer or cold storage.
I think I remember a simular gimmick is currently used on the Labbat's Ice beer bottles.
Sadly the years of storage took thier toll on this figure and the gimmick died. Instead of cool blue, there is now urine yellow. Perhaps the chemical used in the toy declined over time.
Iceman still lives in my freezer.