BBC have lots of art ideas that you can try at home.  You can pick one that is suitable for you as you will know what materials you have! 🎨

Drawing – https://www.bbc.co.uk/bitesize/topics/ztjqtfr/resources/1

Painting – https://www.bbc.co.uk/bitesize/topics/zhq7hyc/resources/1

Animation – https://www.bbc.co.uk/bitesize/topics/zvhp34j/resources/1

Art History- https://www.bbc.co.uk/bitesize/topics/zsx6fg8/resources/1

Printmaking – https://www.bbc.co.uk/bitesize/topics/zp72pv4/resources/1

Pointillist painting with a cotton bud is easy but effective.  It is similar to Pop art by Roy Lichtenstein. Here are some pictures.