Dissolve 2 envelopes unflavored gelatin in 2 tbsp. cold water. Add 1 cup boiling water and mix well. Add sugar, lemon juice and pineapple or strawberries. Place in refrigerator until partially chilled, about 20 minutes. Fold in 2 packages of Dream Whip that has been mixed according to directions.
Trim brown crust off of large store-bought angel food cake and discard. Break cake into tiny pieces.
Line large mixing bowl with wax paper. Alternate layers of cake pieces and Dream Whip-gelatin mixture.
Turn out onto cake plate and frost with one package Dream Whip. Cover with a package of frozen coconut.