The Chinese tangram is a dissection puzzle originating from China, consisting of seven flat pieces called tans. These tans can be arranged to form various shapes, including animals, people, and objects. The goal is to use all seven pieces to create a specific figure without overlapping them. Tangrams are often used as a tool for teaching geometry and spatial reasoning. They encourage creativity and problem-solving skills, making them popular in educational settings. The puzzle has gained international popularity and is enjoyed by people of all ages around the world.