1. Mix lime Jello and 1 cup boiling water. Dissolve 15 minutes. Add 1/2 cup cold water. Pour in 9 x 13 inch pan. Set 1 hour. 2. Mix lemon Jello with 1 cup boiling water. Dissolve 15 minutes. Add 1/2 cup evaporated milk. Pour over lime layer. Set 1 hour. Continue in the same manner: 3. Strawberry and water. 4. Orange and milk. 5. Raspberry and water. 6. Lemon and milk. 7. Lime and water.