Birthday is usually celebrated by having a party by is thrown by the one who is having the birthday, or by people who care for someone and want to make them happy by throwing a surprise birthday party. Some of the people considered surprise party is more memorable compared to birthday party that they set by themselves. They will use the light as a media to surprise someone after entering certain room or place. They would turn it off and suddenly turn it back on, it is very easy and efficient. However, if you want to make a more memorable surprise party you should play more on the lamp decorating. Interior Design.