As you pass through the corridor between the living room and kitchen in front of the stairs, you suddenly trip and fall. Fortunately you are not hurt. As you go about picking yourself up off the floor, you place your hands on the stair case for support. Somehow and some way, this causes the next puzzle to appear. This house is truly a wonder. Some numbers appear and some of the stairs begin to luminesce shades of blue, yellow, red and green. What could it all mean?