Refurbishing Puns

But I don’t like to go into detail.

Then he peddles them around the neighborhood.

Before class started, we were talking about how our school's Nanotechnology department just refurbished their hall. Someone asks the professor "have you been to the Nanotech hall yet?"

With a huge grin on his face, he says "I can't find it, it's too small!"

Groans were had by everyone in the room.