You can use ball pens. If you are in the office and you have a lot of pens lying around then why not use them as poker chips? You will be able to put those idle pens to use at some coffee break, right? Ball pens are a great substitute for chips especially if they have color. You can assign all the black pens to have a value of one dollar. You can assign all the blue pens to have a value of two dollars. You can assign all the red pens to have a value of three dollars and so on and so forth. https://selenium.radio-canada.ca/