Lego postcards are worth collecting. With the support of Lego Doll World, postcards and library tickets can now be obtained, and with the increase of the amount, bookmarks and calendars may eventually be obtained. The book is a collection of classic and distinctive figures in Lego history, and it is worth collecting and seeing the real map. According to the general rule, the distribution cycle of Lego products with IP is shorter than that without IP, and the added value of products with IP is higher. Some IPS are easily acclimatized in China, such as Batman movie 70922 Clown Castle, which smells crazy abroad. Lego is a kind of plastic building block toy, which is deeply loved by children and adults. Can well develop children's brain power, and is an educational toy. Founded in Denmark, Lego has a history of 80 years, which can be traced back to its gold-lettered signboard Lego. The trademark "Lego" has been used since 1934, and its language comes from the Danish word "LEgGOdt", which means "playwell". This name soon became synonymous with high-quality toys produced by Lego in Babylonian toy factory.