A rope bracelet - reminds me of making friendship bracelets back in the day. My right second toe used to go numb because I'd hook the end of the bracelet over it, and then knot embroidery floss for HOURS.
Lego cable holder - an awesome way to help you organize your cables! My husband loves lego crafts of all kinds & these lil guys are a great cable tidy for your home office. In need of more home office ideas? Check out this post