筆，又称笔具，书写工具，阅读工具，拼字工具，写器，读器，或字器，是大部分用于書寫或绘画之工具的统称。
按使用場景分類
- 雷射筆
- 紋身筆
- 隱形墨水筆
- 改錯筆
- Hello筆
按筆頭軟硬分類
參見
延伸阅读
[编]
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