Scary hands let loose upon the world after Bunson's cardboard box eating ways. Do... this... yup, that's what they do.
Hands Transcript
A sign says "Post Office and House of Cardboard".
The hands walk in an Adams Family thing manner into the post office.
The hands to some cardboard and tape.
Hands doing crafty things.
SFX: Swick, whuffle, make make make.
A replacement cardboard box has been created and set up where the old cardboard box was. The Hand retreats under it.
Hand: Sigh.