Your office cowokers learn when someone does though and come to you for tools. Any time we needed to rearrange something I would pull out the tools.
My air compressor was used to inflate the balls the developers would toss at each other so one guy pretended to let the air out of my tires one day while we were sitting in the break room eating lunch.
So afterward I walked over to his desk spinning my ratchet, sat a big bolt on his desk and walked away. then we watched him look over his car trying to figure out where it came from.