The Chemical Wonders of No-Mess Markers

So-called “Color Wonder” markers contain colorless dyes that only display color when used to mark on special “Color Wonder” paper. These markers make use of leuco dyes that only develop color in the presence of acid. These markers provide science educators with a novel chemical system that can be implemented in inquiry-based explorations, at-home investigations, and a variety of laboratory experiments and chemical demonstrations. Toward this end, we report some new experiments and chemical demonstrations that make use of these wonderful new markers.