Maybe they're color changers- the ones with no ink- Did you try them? Just a
"L. P. Skeen" wrote:
> > >Longest lasting markers?
> > The Sanford Colorific markers can literally go weeks without a cap and
> still be ok.
> I have to disagree on this. I won a shoebox full of these markers at NCAEA
> last year, but did not open them until this fall. Some of the colors are
> not true, ie: the black looks blue, and they don't give as good coverage on
> the paper as Crayolas do. In addition, there's some kind of problem at
> Sanford with the creation of these markers; I have found 3 so far with NO
> COLOR WHATSOEVER in them. Weird.