The model has four small screws holding it together. Th front wheel is now roller and the conning tower rail and periscopes are made from polystyrene, instead of polythene. Both hatches have additional side bars inside to guide them to the closed position. The buttons to activate the hatches are now painted black.
The model sits snugly in its box and is accompanied by a small catalogue and certificate. A variation is known regarding the design of cellophane window. See more