How about a pen that is also a vase for a fresh flower?!  Step
1: materials  a suitable pen, such as a cheap ballpoint pen a
florist's water vial.  I asked for a few of these at my local
flower shop and she sold them to me for 25 cents a piece.  Try
to find thin ones as they will be easier to find heat shrink
tubing to fit. heat shrink tubing that will fit around the
circumference of the tube.  In my case I needed some at least
3/4" wide. a heat source such as a propane torch or a heat gun
or hair dryer  What a fantastic idea. I think I would get much
more excited about to-do lists if I had one of these. :D hee
hee, I can picture it in a fancy restaurant or dress shop too,
for people to sign their checks with.  About This Instructable