3 env. Knox gelatin
3 sm. pkgs. flavored gelatin
2 1/2 c. boiling water
1 c. heavy cream

In large bowl, combine Knox with flavored gelatin. Add boiling water and stir until gelatin is completely dissolved. Stir in cream. Pour into a 9-inch square baking pan. Chill until firm. To serve, cut into 1-inch squares.