How to Make an exploding box to send a gift & card in one box

What better way to say "Happy Birthday" to a friend than by having his gift and card explode in his face? If you're the prankster in your group of friends then this is the perfect way to commemorate another candle on the birthday cake.

Check out this paper design tutorial to learn how to create an exploding box that'll sure put a look of surprise and awe on your recipient's face!