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
Step 2: The Pencil and the Magnet
what you've to assemble at last.
the magnet and a Uniball PowerTank ECO, a commonly used pen in geocaching.
Step 3: Disassembled
The stylus disassembled
Step 4: Where the Magnet Fits
The magnet fits inside the transparent tip. for that you've to shorten the green part.
Don't cut too much. :)
correct it with a knife until it fits
Step 5: Assemble & Test
Assemble the stylus and test it with something magnetic
Hint: Do NOT glue the magnet. Probably you need to reverse the polarity