This antigravity cake holds a brilliant surprise for your loved one on their birthday...made a simple chocolate cake layer with whipped cream, also Cover the cake with whipped cream, now insert a straw or Push a wooden skewer this will add stability into the cake. Make some chocolate cake balls dipped in melted chocolate and immediately stick it, hold it for a while on to the skewer until it set, Patience is key. Balance it on top and place a chocolate cup on top to give it more effects..