4 pkg. Knox gelatin
2 1/2 c. boiling water

Dissolve together. Add 1 can sweetened condensed milk. Let cool at room temperature.

1 sm. pkg. flavored Jello
1 pkg. Knox gelatin
1 1/2 c. boiling water

Alternate first with Jello then milk mixture. Let cool between layers. I use 4 different flavors.