"Tangram" also known as "Zhihui Ban" Han folklore puzzle. It is composed of the Tang Yan few evolved, formerly a scholar indoor game, after the civil evolution of puzzle toys. Tangram has a rectangular, parallelogram and triangle. Its number is not much, but it can spell a variety of graphics, such as to spell out the ten digits from 0 to 9, or phonetic alphabet, can spell geometric shapes, animals, buildings and so on. Wuhan Star Popular Science Technology Co., Ltd. Main products include: science exhibits, teaching equipment, experimental box, Science and Technology Museum building, children's play equipment, laboratory construction, primary and secondary general education equipment, science museum exhibits, multimedia teaching vocational equipment, Warmly welcome all dealers or professional bodies to cooperate with our company, to develop the market and contribute to science and education.