Answers.Body: <p>There is nice article on Brickset called &quot;<a href="https://brickset.com/article/54434/the-history-of-5-digit-set-numbers" rel="nofollow noreferrer">The history of 5-digit set numbers</a>&quot;. While this article is not a historic information on transformation it is still quite interesting read since it is based on data collected by the website itself.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-02-02T20:58:02.847Z
Answers.LastActivityDate: 2021-02-02T20:58:02.847Z
Answers.UserDisplayName: Alex
Body: <p>I was wondering how Lego went from a 4 digit code to a complete family and set of products to identify them like the Creator set, the System set...</p>
  <p>Of course part of it is their growth but does anyone have more information on how the product code changed throughout the years?</p>
  
Tags: <set-identification><history><set-database>
Title: What is the history of the set numbers of Lego sets through time?
UserDisplayName: YoLa
ThreadText: # What is the history of the set numbers of Lego sets through time?
  
  (Asked by: username_0 on 2021-02-02)
  
  I was wondering how Lego went from a 4 digit code to a complete family and set of products to identify them like the Creator set, the System set...
  
  Of course part of it is their growth but does anyone have more information on how the product code changed throughout the years?
  
  **Tags:** set-identification, history, set-database
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2021-02-02. Score: 4
  
  There is nice article on Brickset called "[The history of 5-digit set numbers](https://brickset.com/article/54434/the-history-of-5-digit-set-numbers)". While this article is not a historic information on transformation it is still quite interesting read since it is based on data collected by the website itself.
  
  
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