If you're geocaching, sometimes you need a magnet. Either it's at home or in the car far away.
In some steps you build the ultimate magnetic stylus.
Thanks to Reika for the inspiration

Step 1: step one - the magnet

you need a (neodym) supermagnet 4mm diameter , length 10mm
Did you use any adhesive when putting the cap back on the mechanical element of the pen?
as I mentioned, I did not glue it into the cap. <br>the reason is, that the the magnetic poles go like at the small side of it. <br> === === <br> === N -- S === <br> === === <br>so you can change it, if you reverse it. <br> <br>

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