Suggested materials:
Drawing paper, at least 11" x 14", up to 18" x 24"
Graphite stick(s) - softer (2B, 4B, 6B, 8B), bar-shaped
and/or
Conté crayon - black, bar-shaped
and/or
Charcoal stick - black, bar-shaped - if you can be "messy" where you are
Kneaded eraser and/or other erasers
Smudger(s), blenders: tortillons, cotton balls, q-tips, rag, etc.
You do not need all-new materials! But try something new-to-you!