Just a pen. Until you turn the cap.
Then your notes appear, up to 75 lines. Turn it back and they disappear.
Turn the wheel. The words move.
Inside this working ballpoint, one wheel drives two tiny rollers. Turn it forward and your paper strip moves on, one line at a time. Turn it back and it rewinds.
Three words on the box. That's the manual.
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SneakPen
demo strip. do not eat.
turn the wheel. I'll move.
75 lines. keep turning.
Write it.
Type your lines in the free SneakPen web app. No account, nothing to install. Then export your strip as a PDF.
Open the app -
Print it.
Open the PDF in the FunPrint app and print it on the pocket printer. Thermal printing: no ink, ever.
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Hide it.
Fold both ends toward the text and turn the cap open. Slide one fold into a roller, wind the strip on with the wheel, then slide in the other. Turn the cap back: it's just a pen again.
No printer? SneakPen Solo comes with a blank roll you write on by hand: 20 to 30 lines instead of 75.
Nobody looks twice at a pen.
The size of a normal pen: 12 mm across and 152 mm long. It goes wherever your usual pen goes.
With the printer. Or without.
Anything you want at hand without reaching for your phone: the outline of a speech, a recipe, song lyrics, a packing list, a to-do list.
Good questions. Short answers.
How do my notes get into the pen?
Two ways. By hand: cut a strip from the roll, write on it, fold both ends toward the text and load it, following the guide on How to use. Printed: type your text in the free SneakPen app, print it on the pocket printer, cut it on the marks, fold both ends toward the text and load it, as shown on How to use.
What paper goes in the pen?
Only SneakPen thermal paper. It's made for the pen: its width and weight are chosen to print cleanly and to fold perfectly into the rollers.
SneakPen or SneakPen Solo: which one is right for me?
Same pen, two ways to fill the strip. With SneakPen Solo, you cut the strip from the roll and write it by hand, following the cutting guide on our How to use page: 20 to 30 lines. With SneakPen, the pocket printer does the layout: every strip comes out already marked, up to 75 lines, and all that's left is to cut, fold and load it.
When will my order ship?
Your order ships within 24 hours, or your money back. When it leaves, you get an email with your tracking number.
Does the pen need charging?
No. The pen is purely mechanical: no battery, nothing to charge. Only the pocket printer has a battery.
Can I change my mind?
Yes. You have 30 days from delivery to change your mind, with no reason needed. Start from our Returns page. The full conditions are in our Terms of service.