A large, colorful poster featuring various characters from the Angry Birds franchise is displayed on a wall. The poster has a blue background with a grassy field at the bottom. There are multiple birds, including the red bird with a yellow beak, a green pig, and other birds in different colors. The poster has a 'HAPPY BIRTHDAY!' banner at the top with a red and yellow color scheme. The characters are depicted in various poses and expressions, with some flying and others standing. The poster is framed by a white border, and the wall it is mounted on has a white wainscoting at the bottom.