There are many lead-free glazes that would be suitable. Look in a catalog
that sells glazes and choose from the lead-free line. Underglazes would
permit the students to make details (they don't "melt" and run when fired). A
clear gloss overglaze can be brushed on top.
> I am planning to do a unit on clay whistles and am concerned about
> glaze safety since the whistles are being placed in my student's
> mouths. I'm looking for ideas on what might work for middle school aged
> students that could create fine details.Any ideas?