Microscale MI-9 Mirco Kristal Klear1ozIf there was ever a modeler’s secret, this is it. Micro Kristal Klear can do so many things that can make a big difference in the appearance of your models. First, Micro Kristal Klear is a liquid that can be used to form very real looking small windows up to about 1/4 in size. It is also an adhesive for mounting clear plastic parts, windows, etc. on models.