Mix:
3 packages of French Vanilla Instant Pudding with 4 1/2 cups milk

 Fold in 12oz. cool whip

Layer using a 13x9 dish:  graham crackers - pudding- graham crackers -pudding - graham crackers - and ending with pudding
CHILL AT LEAST 2 HOURS

Icing:
1/4  cup melted butter
1/2  cup sugar
1/3  cup cocoa
1  tsp. vanilla
1/4  cup milk

Cook icing over low heat, bringing to boil, stir until smooth, then cool.

Drizzle over top of pudding for glaze and chill until served.