Ninja Pen with Sound Effects
Goes "shiiiing" when the tip is extended.
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Simply push the slider at the top of the hilt to expose the tip of the ballpoint pen.
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The Ninja Pen requires three LR41 button cell batteries (included). Replacements are found wherever batteries are sold.
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Video: Ninja Pen Demo Video
Overview
Beef up your arsenal of weaponized writing implements with the Ninja Pen.
Styled after a katana, the Ninja Pen makes the characteristic "shiiing" sound when the ballpoint tip is extended or retracted.
Batteries (which are included) are housed in the hilt of the sword. Includes black ink (would a ninja have it any other way?) and uses standard D1 ballpoint pen refills.
Features & specs
- Dimensions: 8.25" x 2" x 0.7"
- Requires 3 x LR41 batteries (included)
- Black ink (obviously!)
- D1 ballpoint refills
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This pen goes "shiiing" (with three "i's")
That sound a sword makes when it is unsheathed is called a "shiiing" and it's exactly what happens when you unleash or retract the tip of the Ninja Pen. Check out the video below for a demo.
Just how mighty is a sword pen?
If the pen is mightier than the sword, then how mighty is a sword pen?
Well, let's put it this way: had Jefferson penned the Declaration of Independence with the Ninja Pen, the document would have most assuredly erupted in flame upon its arrival in Britain.
Simply push the slider at the top of the hilt to expose the tip of the ballpoint pen.
You can "shiiing" to your heart's content
The Ninja Pen's sound effects are powered by three included LR41 batteries.
The Ninja Pen requires three LR41 button cell batteries (included).
Replacements are found wherever batteries are sold.
Frequently Asked Questions
Question: Is it made of metal?
Answer: No. You'd end up cutting yourself every time you wrote, silly!
Question: How do I change the batteries?
Answer: Remove a small screw on the battery compartment and simply swap out the three LR41 batteries.
Question: Can I replace the ink?
Answer: Yes! The Ninja Pen uses standard D1 ballpoint pen refills.
Sorry! We're sold out until January 09.
$7.50
More stock arriving on January 09, 2026.
Burning Questions: You Ask, We Answer
Want to ask your own Burning Question?
First, please watch the video to the right. It explains the Burning Question feature and answers some common questions.
Now, if there is something that you need to know about this product that we've omitted, please send us an anonymous question and we promise to answer it within 1 business day.
Now, if there is something that you need to know about this product that we've omitted, please send us an anonymous question and we promise to answer it within 1 business day.
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