I had a little visitor yesterday who wanted a cat suit. Hmmm. We rummaged around in a trunk full of fabric and notions; I measured the small person; cut and sewed: all with a lot of consultation! He cut out the openings for the face and we added pipe cleaners for whiskers, plus a sort of giant pipe cleaner for a tail:
His mum was very surprised to collect a cat where she'd left a small boy.