A kind of ballpoint pen - a pen that has a small ball-bearing at its tip that picks up ink by rolling against an ink reservoir. Available in several colours and, although not a precise tool, biros are sometimes favoured for drawing because of the lively spontaneous marks they make.
View a wide collection of video content on our YouTube channel from past projects to our latest films.
Artist and sitter interviews
Get insights into creating portraiture from BP Portrait Award 2020 artists and their sitters.
Watch our film created to say ‘goodbye’ to the Gallery before we closed for our major transformation project.