Although the pens write...
October 29, 2015
Although the pens write smoothly and evenly, the ink colors are not at all as
expected. The blue is much too dark and very close to a black color. The red,
pink and orange are just about the same color on white paper. It is extremely
difficult to distinguish any differences and since I purchased these for
physiology illustrations and concept maps, they are not useful for me. I am
1 person found this helpful