4 3 oz boxes of red jello
2 1 oz boxes of unflavored gelatin
How to make-
Cut your watermelon in half, scoop out the insides and juice it.
Boil 3 cups of water
Mix the jello and gelatin in a bowl then add the boiled water
Stir until all gelatin is dissolved, add 4 cups of watermelon juice.
Pour into your watermelon and let set in fridge overnight
Slice and enjoy