Lego Lab

This set includes, two hazmat workers and a supervisor, you get a two laboratories, a conference room, and stairs leading to the second floor, and underneath the stairs are some crates full of supplies, also included are some tools.

This set is an imaginary set, you have to imagine those halls lead to other rooms and the stairs lead to a second floor, or maybe even a third floor.  This set allows the builder (you) to create more, to add on, and make it your own.