Nothing special is needed.
-Wrapping paper or normal paper (Outside)
-Some thick paper, cardstock (For the inside)
-Box cutter and scissors
-Glue or tape
*Ribbons, bows, etc (for decoration)
This box does not literally explode, it just falls open. Yeah, just killed all the excitement :[
Step 1: Cutting
Cut with a box cutter, your teeth, or a spoon if you have the skills.
Dimensions are vague because you can make this box any size imaginable, depending on how much cardboard you have.