Motivational Wall Sticker. Motivate your staff to perform at peak level with this fantastic text sticker. The window sticker consists of a light bulb shining with the words "think bigger" written inside. This sticker can be applied to any flat surface such as a window/wall and a door. We use a special adhesive film that is easy to apply and creates no wrinkles or residue when removes. This sticker is available in a variety of sizes and colours.