David Pyle wrote: > > RE: powdered pigments for coloring glues... > > Powdered pigments can be mighty unhealthy in the classroom. They're > intended for careful use in a controlled environment, not where children > may have access. And they're pretty costly, too. > > Tempera sounds like a much more workable solution to me. > > Regards, > David Pyle > CreativEnergy
How about paste food coloring? SHould work, non-toxic, and great
colors. A little goes a long way!