Ink Chromatology Butterflies By PennyAnimal Science, Arts and Craft Projects for Kids, Backyard Science, General, Science Experiments for School Aged Kids, Spring ScienceNo Comments Science Experiment for Kids: Ink Chromatology Butterflies These chromatology butterflies are lots of fun to make and a good demonstration of how the ink in most felt-tip pens contains a...Read More March 20, 2022