Fire Trucks

Every day when I get Hannah from school we walk about a block to the corner to catch a cab home. We always walk by the fire station and talk about the fire trucks and ambulances we see. Next Friday Hannah's class is going on a field trip to said fire station. As we walked by today I told her she would be coming here next week to see the fire trucks. She looked at my so hopefully and said "do you think him will let me touch his woo-woo?" "Excuse me?" I asked caught rather off guard by something that sounded quite colorful. "You know his thing that makes the truck go woo-woo-woo-woo?" Ah yes, his siren. I'm not sure if she'll get to touch the woo-woo or not, but it sure made me laugh.