1.Preheat oven to 180°C (160°C fan-forced); grease and line two 20cm x 30cm lamington pans. Make cakes according to directions on packets, divide mixture into prepared pans; bake about 35 minutes. Stand in pans 5 minutes; turn onto wire racks to cool. Using serrated knife, level cake tops so they are the same height.
2.Turn cakes cut-side down. Place cakes side by side; using paper pattern from pattern sheet, cut out bear.
3.Assemble cake pieces on prepared board, cut-side down, as shown.
4.To make butter cream; beat butter until white as possible, gradually beat in half the sifted icing sugar then milk, then remaining icing sugar. Beat until smooth.
5.Use a quarter of the butter cream for paws, face and tummy.
6.Stir sifted cocoa powder into remaining butter cream, tint with brown colouring. Spread brown butter cream over cake; roughen with fork.
7.Using a little of the butter cream, secure two blue Smarties onto the dairy milk rounds and position on face for eyes. Cut marshmallow in half, position on ears. Position a black Smartie for nose. Place Smarties on bear for bowtie, as shown.
8.Cut licourice strap into thin strips, position on face for mouth and around bowtie.