Jolly Gem Gelatin Cake
["1 pkg. raspberry jello", "2 pkg. lime jello", "1 pkg. orange jello", "5 3/4 c. boiling water", "1/2 c. sugar", "1 1/2 c. heavy cream", "1/2 c. melted margarine", "1 1/2 c. graham crackers"]
["Separately dissolve each package, leaving 1 lime; use 1/2 cup of boiling water each.", "Pour mixture of each into separate pan. When jelled, cut into 1/2-inch cubes, toss lightly.", "Dissolve remaining package of lime gelatin in 1 1/4 cups boiling water. Chill just until syrupy.", "Whip together heavy cream and 1/4 cup sugar.", "Fold in syrupy lime jello.", "Fold into jello cubes.", "Pour into graham cracker crust.", "Chill 4 hours or overnight."]
["raspberry jello", "lime jello", "orange jello", "boiling water", "sugar", "heavy cream", "margarine", "graham crackers"]