Just leave out a box laced with laxatives.
To me; the thanks is what's important. As long as someone appreciates the work I do I have no problem doing it. Gifts etc are nice, but never expected or valued in a selfish way.
One of the problems @mrbios is that should the home machine be done in works time. This is what I face all the time in my position. I do it, but it would be againts company policy, which could turn into a disciplinary procedure. Just be careful.
All work was done during my lunch hour![]()
Unwrap the chocolates and twirl them round your bell-end then wrap them back up.