German Coastal Battery. Similar To Bunker In Saving
 Private Ryan. Molded From High Density Urethane Foam
  Top Of Bunker Measures 13 x 11 (Bunker Stands Over 7" Tall).
Base Measures 17 X 14. Inner Opening Is
  4 3/4 Wide X 3 High - Extends Outward To 8 Wide   X 4 1/2 High.