Political campaign buttons are small, often round badges that display a candidate's name, slogan, or symbol. They are typically worn by supporters during elections to show their allegiance and promote the candidate. These buttons can be made from various materials, including metal and plastic, and often feature colorful designs to attract attention. Historically, campaign buttons date back to the American presidential election of 1896. They have evolved over time, becoming popular collectibles and a way for voters to express their opinions. Today, they are commonly used in political campaigns across the globe, serving as a simple yet effective form of grassroots marketing.