Fuzzy covered wires are known as "pipe cleaners" or "chenille stems".
Fuzzy Wires via kwout
Pipe cleaners are an essential for so kids' craft activities, whether you're making chenille stem flowers, bendy bugs or a beaded tiara. It's a must have to keep in your craft box for a rainy day and they can be used time and time again.
Fuzzy wires are flexible and safe to use. Bend them or twist them together to make letters and shapes, they can also be used to create colorful animals, jewelry and decorations.
What can you do with a bunch of pipe cleaners? Well you can do just about anything if you use your imagination. Check out 100 Things To Do With Just A Pipe Cleaner from The Alpha Parent.