Broken Glass Jell-O

Ingredients:
4 small boxes of Jell-O, different colors
4 cups water
1 can sweetened condensed milk
2 envelops unflavored gelatin
2 cups water

Directions:
1. Prepare four containers and dissolve each box of  Jell-O into 1 cup of boiling water. Keep it aside to cool down before refrigerating for at least 4 hours .
2. Slice up the jello into small squares.
3. Spread into a large serving tray mixing the colors.
4. Mix the unflavored gelatin into 2 cups of boiling water, stir until dissolve. Add the condensed milk.Let it cool for a while, then pour the mixture into the cubed jellies  in the serving tray. Refrigerate for another 5 hours or overnight. Cut into squares.