3 sm. pkg. Jello
3 c. boiling water
1 c. cold water
1 tbsp. vinegar
4 env. Knox gelatin

Dissolve Jello in boiling water. Add vinegar. Dissolve Knox in cold water. Add Jello in Knox water. Pour into a 9 x 13 inch pan and refrigerate. Cut into squares. Kids can eat the Jello squares with their fingers, not messy.