We are getting ready for back to school in a few weeks so my little guy and I were sorting through our school supplies to see what we had. And what we had was a big mess of open pen packages! I was trying to think of what to put them all in when I remembered I had a stash of Crystal Light Plastic containers in the garage. (I never throw stuff out)
First, I took four of the containers and just slid the plastic wrapper off of them.
Then I had my little guy sort them by color. The pens fit inside perfectly and the lids went back on. I was going to label them but since they are clear I just lined them up inside the desk drawer and we were done. And even better, we realized we don't need to buy any pens this year!