Drip Candle Cake with Funfetti Sponge

Name: Drip Candle Cake with Funfetti Sponge
Prep time: 1 h 20 min
Cook time: 3 h
Total time: 3 h
Yield: 20 slices
Ingredients: 375 g unsalted butter; 375 g caster sugar; 6 large eggs; 375 g self-raising flour; 1 tsp baking powder; 2 tsp natural vanilla extract; 60 g milk; 150 g coloured sugar sprinkles; 400 g unsalted butter; 800 g icing sugar; 1 tsp natural vanilla extract; 45 g milk; orange food colouring gel; 5 tsp water; 200 g icing sugar; 10 g coloured sugar sprinkles; 140 g fondant icing; blue food colouring gel; water