Puree all the ingredients in a blender. Transfer the mixture to a greased, square tin and press down with a spoon. Place the base in the freezer until it is needed again.
Raspberry and coconut layer
Purée all the ingredients in a blender. Spread the mixture over the base and return to the freezer until needed again.
Puree all the ingredients in a blender until evenly mixed. Spoon over the raspberry layer.
Place in the freezer for at least 2 hours.
To serve, cut into 8 cubes and insert a wooden skewer into each.