|this became that...|
chromatography paper, and holy cow...I could not stop. Sort of like how I couldn't stop posting pictures of them. Here you go...
Then the next morning, my daughter saw the field of colored paper and wanted to try. Hers are the best of the bunch, I think.
Whatman 3MM CHR Chromatography Paper), washable markers, and a couple millimeters of water in a container....and a 3-year-old to make you feel lame and uncreative. Just color the paper and set one end in the water. Then wait!