Kid eats shark: A shark birthday cake for Master Three

Someone had a birthday party this weekend.Master Three wanted a shark cake, and I, swept up in a moment of ambitious enthusiasm, agreed to make one in secret.I've never made a character cake before. Or *sob* had my own. But back in my day, the cakes we hovered around when it was time to blow out the candles were Victoria sponges, sandwiched with cream and decorated around the edge with rainbow