* Pens: Ballpoint pens, gel pens, rollerball pens, fountain pens
* Pencils: Graphite pencils, colored pencils
* Markers: Highlighters, permanent markers, dry-erase markers
* Crayons
* Charcoal
* Paint
* Digital devices: Tablets, laptops, smartphones (using styluses or keyboards)
The specific tool depends on the subject, assignment, and personal preference.