equipment [2]
Materials, instruments and accessories used to create a drawing or painting.
ink 
Liquid preparation, black or colored, used to write or draw.
watercolor/gouache cakes 
Small watercolor or gouache disks inserted into cells to prevent the colors from mixing.
watercolor/gouache tube 
Tube containing watercolor or gouache in paste form.
oil/acrylic paint 
Oil-based or acrylic pigment that comes in a tube; the artist uses oil or essences to dilute it and prepare it for application.
charcoal 
Stick of charcoal used for sketching; it erases easily.
felt tip pen 
Pen whose felt tip is permeated with ink; it comes in a variety of colors.
marker 
Bevel-tipped color felt pen of variable size.