Not talking about clothes and personal wash up items ....

I'm looking to keep extra "things" at work to support my bike. I can keep these items either near my bike in my office. Just going through what I am considering. Would love your input.

- Full bike pump (I have an extra)
- A few extra innertubes
- Bike wipe down rags
- Chain lube
- Recharge cables for rechargeable lights
- Batteries for rear blinkie

Maybe a small toolkit to make things easier than using the smaller one I carry on the bike?