Ok... here is a step-by-step how to do a Lightning Mcqueen
Photo nš1 is a block of chocolate mudcake.
Photo nš2 it is a tip, use a photo of the car in original size to carve your cake.
Photo nš3 cake it is shaped..."It is the most important part ... if you get the shape right now everything else will look perfect.
Photo nš4 cover you cake with chocolate ganache or butter cream or anything that makes the fondant stick.
Photo nš5 Cover the cake with red fondant
Photo nš6 Black details and wheels
Photo nš7 All the other details and stickers
You can find the stickers on google search.