Phil and Christine make a stunning three-foot long, life-like swimming turtle cake, that must appear to float over the ocean floor. Weighing in at 25 kg, this clever cantilevered cake is covered in 17 kg of hand sculpted and coloured fondant. Former tattoo artist turned cake maker Ben creates a truly unique wedding cake when he's asked to make a working windmill, to replicate the location where the happy couple get engaged. Meanwhile Karisha tackles a challenging Hula Girl cake that must look just like the birthday girl herself.