I've never seen such an invention before. When we found out what it was, we were shocked.

I've never seen such an invention before. When we found out what it was, we were shocked.
I've never seen such an invention before. When we found out what it was, we were shocked.
I've never seen such an invention before. When we found out what it was, we were shocked.
I've never seen such an invention before. When we found out what it was, we were shocked.

I've never seen such an invention before. When we found out what it was,we were shocked.,