1 (6-ounce) package flavored jello (any flavor)
3 1/2 cups boiling water
1 1/4 cups sugar
1 (12-ounce) can frozen lemonade concentrate
1 (46-ounce) can pineapple juice
6 cups cold water
2 large bottles lemon-lime soda
Dissolve jello, water and sugar. Add lemonade, pineapple juice and cold water. Freeze. To serve, let thaw slightly; break up and add to glasses. Fill glasses with soda.