If you decided to decorate your walls, you may choose wall art or something like this – wall paper mosaic. You’ll need different types of wallpaper, command 3M poster strips in large, a measuring tape or ruler, a pencil. Measure the wallpaper and line up your width and height measurements and mark at the top left corner. Cut your wallpaper and use the laser to beam on the wall. Remove the backing tape from the 3M strips and line up your paper tile so the top and the edge are lined up along the red laser lines. Voila, it’s ready! For a more detailed instruction look here.