How to Pull three great pranks on your friends: 1 computer, 1 string, 1 shower

One prank doesn't have a terribly long lifespan usually. You do it once to one of your friends, they tell everyone else, pretty soon your friends see that prank coming a mile away when you try to pull it again. Why not stock up? This video will show you how to pull three diverse, great pranks. First, the food-coloring-in-the-showerhead trick. Second, the living room string labyrinth. Third, the old broken PC desktop trick. Pull all three on someone in rapid succession for bonus score!