Cut out one felt circle in the size you want your pom pom to be.
Take one of your fabric circles and scrunch from the middle.
Add glue to the end of the scrunched portion.
Place glue-side down on the center of the felt circle.
Continue to add the scrunched fabric circles around the center one.
...and add some more.
and some more...
Until voila! You have a full and fluffy pom pom!
Now flip over your pom and grab your elastic headband.
And glue your headband to the center of the pom.
Then apply the second felt circle on top of the headband to cover the band.
And now you have a fun pom headband!