1981

== Events ==
* The new "second generation" Trains theme is rolled out to the United Kingdom and North American markets.
* The LEGO Group purchase all residual rights to the Kiddicraft block.
* LEGO adds a secondary factory called Kløvermarken West to the pre-existing Kløvermarken factory.
== Themes introduced or discontinued ==
* Universal Building Sets were discontinued.
* Scala was paused until 1997.
== Sets introduced ==
Category:Years
Category:1981
Category:Unfinished