There's a wee stranger in my house.

I can't escape the feeling I am being watched, I feel a pair of eyes following me everywhere and from the corner of my eye I see blue shadows. So today I decided to do something about it.
I spread some bait on the dresser (buttons and a needle and thread) hid myself and lay in wait.
I managed to snap the intruder as he popped out from behind the needle box, he saw me and fled and all I have left is a small piece of blue fluff and this picture.
Tomorrow I shall leave a bedtime story and a snuggly blanket, I don't think he can resist, I'll catch him yet.