Tangram is an ancient Chinese traditional intellectual toy. As the name suggests, it is composed of seven boards. And these seven boards can be assembled into many shapes, such as triangles, parallelograms, irregular polygons, and players can also combine them into various figures, images, animals, bridges, houses, or some medium ,English alphabet. Tangram is a good partner to inspire children's intelligence. It can connect children to the bridge between objects and forms, and cultivate children's observation ability, imagination, shape analysis and creative logic. There is huge room for development.