Roll out the bright blue fondant ⅛ in/0.3 cm thick. Carefully cover the cake with the fondant and smooth the top and sides. Trim the fondant from the bottom edge of the cake.
Roll out the pale blue fondant to ⅛ in/0.3 cm thick. Carefully cover the top and 1 in/3 cm down the sides of the cake; trim the fondant to an even edge. Roll thin ropes of the bright blue