55206 Electric Sound Brick
The underside of 55206. Getting into the brick is simple by removing the single screw.
Above: the bottom has been removed.
View of inside with button removed.
Circuit board and speaker.
Disassembled. Top row: 55206 Dark Stone Grey base, spring, 54929 Medium Stone Grey top. Middle row: circuit board with attached speaker, screw, contact plate, button. Bottom row: three LR41 1.5v button cells.
