The present invention relates to a visualization kit including (A) a cyanoacrylate and (B) a fluorescent agent having a molecular weight of less than 400 g·mol-1, a sublimation temperature of less than 200° C., and an extinction coefficient of less than 2950 L·mol-1·cm-1; to a method including the cofumigation of a cyanoacrylate (A) and a fluorescent agent (B); and to a method for visualizing traces on a substrate, employing the method of cofumigation.