The Lego Ministry of Education employs top international education experts to develop a series of teaching materials and equipment suitable for young children to go to college, providing rich resource support for educators and students around the world, leading everyone to enjoy the innovative practice process in "learning by doing" and experience the application of abstract theoretical knowledge in real life. Lego has more than 2,000 kinds of patented building blocks, and the requirements for product quality are very high: the mold tolerance is 2 microns, and the hardness is moderate, which exceeds the most stringent sanitary standards in the world. It can be inserted 20,000 times for teaching 10 years and has been used at home for more than 20 years.