"Pencil drawings" refers to images or designs created using a pencil as the primary tool. It refers to artworks or sketches made by using a pencil to create lines and shading on paper. Full definition
He began with colored pencil drawings which were followed by oil paintings. (widewalls.ch)
LCD: At first they were drawings of myself covered in black graphite with coloured pencil drawings on top. (studiointernational.com)
He has made a name for using local cultural and historical references in installations, accompanied by highly detailed pencil drawings. (theguardian.com)