Margarine, sugar and vanilla to a fluffy cream. Biscuits dipped momentarily in milk and arrange on cellophane in three columns of four biscuits in a column, dab with cream and put another layer of biscuits. Making three layers of cookies with three layers of cream. In a bowl mix 1/2 cup sweet walnuts and a few crushed biscuits to the mixture may not be liquid. This mixture is placed on the third layer of cream. Then using the cellophane is made triangular roll (the two side layers biscuits cling at the top of the pyramid). Wait a bit to stick biscuits and cellophane opens. Roll dabbed with the rest of the cream and sprinkle with 1/2 cup walnuts. Allow to stand in the refrigerator at least 2 hours. * The biscuits should not melt much milk because it will be blue and fell can not detach from the cellophane.