Description:12 13 40 00 Invention, prototype. Demonstration of a vehicle amphibian, sort of small boat which throws(launches) sort of rocket which explodes on coasts. Armament. Contrast enters the small machine amphibian and the strong explosion that it provoked with its shot of cannon. Machine very light and easy to maneuver. Close-up machine amphibian which looks like a sort of animal, monster with big mouth. It(he) arrives on beach and runs(drives) then fires again, very big explosion. Big cloud, thick smoke, impressive.