one other thing on the Carb- Othello pencil. as I said they are a bit pricy , but the
color is much better than the chalk.
> I had trouble with the chalk flaking off also. I switched to Carb- Othello pencils.
> A bit price , they have lasted a while. Just rub the pencil tip on sandpaper over
> water, swirl and voila ! beautiful and no flaking. We have done this at our Art
> Fair with great results!