Pour icings into pastry bags decorated with decorating tips and set aside.
Cut down graham crackers crosswise to make half.
Pour one scoop ice cream in the center of each of six graham cracker halves.
Make sides of each box by standing 1 graham cracker half along each of sides of each graham cracker half topped with ice cream.
Line icing along seams to secure.
Tops boxes with 6 graham cracker halves.
Line icing along remaining seams.
Put the boxes in freezer.
Let it freeze for about half-hour.
Decorate boxes according to liking with candies and icing.
To secure candies use icing.
Freeze and serve.