These are items that I got along just fine without, but then once I had them, I wondered how I ever managed. Plus, it has made my life of teaching more fun and enjoyable!
#1: A nice bag to carry your work in. We all take work home and for some reason, when you are carrying it home in some old ugly bag or a repurposed grocery bag, it feels… sad. I think that when you like the bag you are carrying your work home in, you are more likely to feel ok about the work inside of it. There are some really cool bags out there. Here are a few I like: messenger bags, tote bags and computer bags. I particularly like this store on Etsy. She does personalized orders (combining any fabrics she has and monograms as well!). Here is the bag I ordered from her:
The Ardent Teacher 