When we have an empty box in the house, Sean is fond of placing it somewhere, saying "Cat Trap!" and seeing how long it takes to catch a cat. Usually not long.
Here is Posy in the empty babywipes box, about two minutes after it was placed on the table:
I won't even go into just how long she will remain sitting in the box--but it is somewhere in the neighborhood of A Very Long Time.
And who are we to question why?