I discovered a handy solution to a nasty mug stain on my black desktop. A few months ago I painted a chalk board for my kitchen, and using the paint left over I painted myself a notepad!

You need:
Black board paint (I used Plascon School Board Paint)
Masking tape
Chalk (for writing)

Simply mask out the area you wish to paint.
I chose an A4 sized spot that conveniently covered the stain which was right next to my laptop.
Paint and wait for it to dry completely before applying a second coat.
Wait until completely dry before drawing.

This project is so easy and I actually use my little note board regularly! And when I’m not using it, it blends into my desktop so elegantly.