Garment inspiration: An interesting, sleeveless cowl knit tube top one could wear with either end of the tube "up." It even has a halter-wear iteration. While labeled a DIY, it's just this series of s (Diy Ropa Patrones)
Double needle (or straight wound) if don't have upright spool holder, tape dowel rod to end of machine. Put on a spool to add height, then the spool you want to use. or a wound bobbin if doing double needle and don't have second spool of that color.
I HATE plain hoodies for the kids, but this.this is an awesome diy project for them. Pretty sure I'm going to have to make at least one version for myself & both kids.(Also has a link for the tutorial for making the actual hoody!