You know those DIY-writing pens with glued-on flowers stuck in flower pots you see on people's desks? Why not use this technique with colorful "whatever" (cheap plastic, rummage-sale fabric, etc.) for a cute pen topper?
Tutorial: DIY Tissue Paper Pom-Poms this tutorial is pretty good. Use square sheets or tissue for a rounder Pom Pom. We tied the middle with ribbon and tied several on ribbon and hung them for a backdrop. Use thin tissue paper and fluff gently.