1930s 50s FBI G-Man G-Men machine gun with siren by Marx made in USA

  

G-Man machine gun with siren by Marx made in USA. Both "rat-tat-tat" machine gun and siren work. In great condition except for one plastic rivet which has popped, see photo.

Could be held in place again with some glue or a drop of melted plastic. With original hard to find box.