The San Francisco Music Box Company Musical Car Mouse Mobile Family Light Up (R) (G) San Francisco Music Box Company Mouse Mobile Mouse Capers Mice Moves. Mouse Mobile Music Box by The San Francisco Music Box Company In working condition, tested. The mouse on the side of the car moves back and forth as the music plays. A classic mouse capers music box in which a mouse family is making a road trip and trying their best to manage all the little mice in their family.