Monster truck cake with a cool spiral Oreo dirt track! Check out this video tutorial for how to make a spiral staircase effect that's easier than you think.

Materials
* 6″ and 9″ Round cakes – baked using three batches of my Vanilla Cupcake recipe
* Sweet Buttercream
1.3kg (1lb 14oz) Chocolate (Made by substituting 50g of the icing sugar for 50g cocoa)
250g (9oz) Orange (Americolour Orange)
650g (1lb 7oz) Blue (Americolor Electric Blue)
* 4" and 6" cake plates
* 12" cake board
* Steak knife
* Spatulas
* Toothpicks
* Wooden dowels
* Pencil
* Conduit cutter
* 4 Oreos crushed
* Monster truck and car toys