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A paper plane (also known as a paper airplane or paper dart in American English, or paper aeroplane in British English) is a toy aircraft, usually a glider, made out of a single folded sheet of paper or paperboard. It typically takes the form of a simple nose-heavy triangle thrown like a dart.^[1]

The art of paper plane folding dates back to the 19th century, with roots in various cultures around the world, where they have been used for entertainment, education, and even as tools for understanding aerodynamics.

The mechanics of paper planes are grounded in the fundamental principles of flight, including lift, thrust, drag, and weight. By manipulating these forces through different folding techniques and designs, enthusiasts can create planes that exhibit a wide range of flight characteristics, such as distance, stability, agility, aerobatics and time aloft. Competitions and events dedicated to paper plane flying highlight the skill and creativity involved in crafting the perfect design, fostering a community of hobbyists and educators alike.

In addition to their recreational appeal, paper planes serve as practical educational tools, allowing students to explore concepts in physics and engineering. They offer a hands-on approach to learning, making complex ideas more accessible and engaging. Overall, paper planes encapsulate a blend of art, science, and fun, making them a unique phenomenon in both childhood play and academic exploration.