Mix the watermelon pulp without seeds previously blended and place with the Le Zuc. When it is dissolved, place the pulp in a plastic container and refrigerate. Boil half a cup of water. Pass the three Jell-O sheets trough cold water and place them in the hot water, stirring with a wooden spoon until you dilute them, remove from the fire and mix with the pulp. Refrigerate for a minimum period of two hours.