| 摘要 |
A multi-color writing instrument such as a ballpoint pen or mechanical pencil, which is adapted such that a selection of a writing color can be easily performed even under poor lighting conditions and/or by a person with poor eyesight. The writing instrument includes a plurality of reservoir tubes containing different writing colors, which are accommodated in a barrel. Operating portions are provided on the reservoir tubes and exposed outside the barrel. The operating portions can be differentiated from each other by touch. Thereby a specific one of the reservoir tubes can be selected by the operating portions for use.
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