In the early 1980s, Lego Group began to extend its production line to the field of education. An independent educational product department is responsible for developing such products for schools, kindergartens and early education institutions, and disabled children are taken into account in the design. Today, this department has been renamed Dacta. In addition, successful Lego themes include space group and castle group.

Until the end of 1980s, the pirate group ruled Lego Group, making it one of the most successful and best-selling building blocks in the whole production line. Other ideas, such as Debao and Science and Technology Group, have also been put into production. For example, the famous Debao Zoo and TECHNIC cars. In addition, Lego began to develop children's wear.

1988 The first Lego World Cup Architecture Championship increased Lego's international popularity. Even though its product sales have gone international, its roots are always in its hometown-Denmark.