Abstract: A bathroom space expander including a first member removably but securely connected to a toilet tank cover, a second member swingably connected to the first member, hinge means connecting the members to a first closed storage position and a second open operational position. The second member including expandible side walls and a downwardly extending support member resting upon a toilet seat cover for keeping the second member in the horizontal operational position for use while folding clothes, diapering a baby or the like.