Step 1. Get one mobile. Step 2. Get a friend. Step 3. Choose a theme. Step 4. Pick a team. Step 5. Choose which team goes first and that person has to build the theme in less than your required time. (You choose the time limit) Step 6. Pass the mobile to the other team and give them the time limit both of you chose to build the theme. Step 7. Get another friend to look at the mobile and judge both of you. Step 8. Go on the podium. P.S. Break your creations or make a new square thingy for more rounds.