How to post internal Classifieds at the workplace (creatively)?

I made a suggestion at work to have a cork board hung in our breakroom where employees can post things for sell or items wanted. I'm in charge of making sure things are up to date on the board, but I'm attempting to find creative ways to post them on the board..Can anyone help?How to post internal Classifieds at the workplace (creatively)?
Use colored dots to hold them up instead of pins.

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