A little late research: The kit provides a
Blue Danube nuclear shape only, but Blue Danube was an experimental fission bomb only. Its in-service derivitive was the
Red Beard shape. The shape used for air dropped hydrogen bombs in the UK was the
Yellow Sun shape. It is not very clear which shape was dropped for the Graple tests. I suspect it looked something like Yellow Sun given the constraints on the size of the physics package a thermonuclear device needs.