This will be the most amazing house of cards you will build in your life!
Step 1: What You Need
Flat surface (preferably carpet)
deck of cards (15 cards per story)
Step 2: "The Lean 2"
Lean two cards together vertically (forming a triangle) with the bottom edges one inch apart and the top edges flush.
Step 3: The Half Bridge
On one face side of the triangle, create a bridge with two other cards: one horizontal, one vertical.
Step 4: The Bridge
Repeat on the opposite side.
Step 5: Uno Mas
Parallel and directly to the side about two inches away, repeat steps 1 through 3.
Step 6: The Ceiling
Bridge gap between two structures with three cards running perpendicular to existing structure.
Step 7: Build It Up High
Repeat steps 1 through 5 on top of existing structure at a 90 degree angle to existing structure. See how many stories you can build!