what assignment does Archie give Goober?

Goober is given the assignment to bring a screwdriver from his house, take it to Room 19, and loosen every screw on every desk, chair, and anything else he sees. He's told not to take them out, but to loosen them to the point the furniture will fall apart when touched.

"Don't take out the screws. Just loosen them until they reach that point where they're almost ready to fall out, everything hanging there by a thread…" Chapter 5