Wooly magnetic Katamaries for sale on EtsyHere's an Etsy seller making bespoke Katamari Damacy balls with embedded magnets -- roll them around your table and pick up metallic objects, just as the Prince does in the stunning video-game of the same name.
These Katamari are big enough to fit in the hand comfortably. The nubs are fully magnetic to facilitate the Katamari rolling power. Perfect for sitting on a desk or in a craft area holding metalic things for you. I can make them in any combination of 3 Bright acrylic yarns you want.Link