Sketch your favourite animal or item. Can you add shading? Could you try sketching with a pen or a mixture of pen & pencil?
You could try and communicate with a family member through doodles and sketches like Thos Grey did.
This is a pen sketch of a lady by Thos Grey in 1921. Thos and a friend would leave doodles and sketches for each other in a notepad. It is held at Preston Park Museum.