Sharp Pencils.
White Plastic Erasers.
Rulers:
    A metal ruler is perfect for cutting straight lines.
    A t-square is great for making lines.
Calligraphy pens.
Black ink.
Gold ink (Windsor & Newton).
Gouache watercolor paints in tubes.
Mixing palettes.
A set of brushes (including a fine tip one.)
Acid free hot (or cold) pressed water color paper.
Scroll case or portfolio for transportation and storage.