This fourth add-on for the Space Road stop is the hospital level. It consists of a waiting room that is connected to the elevator of Add-on 03. A pharmacy where there is a little table for creating medications and eight lockers with seventy-seven drawers each. A consultation room with a desk and an auscultation table. A rest room for employees with a table, chair, locker and toilet A small maintenance room. Operating rooms with a surgical machine fully articulated with two rotating scanners, table and fifteen arms. A recovery room model and finally a central hub with corridors that connect all the different rooms.