Answers.Body: <p>Bricklink will be a source of the data to answer this question. </p>
  
  <p>At the time of this answer Bricklink has 59610 items in its <a href="https://www.bricklink.com/catalogTree.asp?itemType=P" rel="nofollow noreferrer">part catalog</a>. However, this list contains such categories like "Sticker Sheet" (3422 items), "Stickers Over Assembly" (250 items), "Special assembly" (38 items) you wish to exclude, since they are not really individual parts. This leaves us with 55900 parts. It is worth mentioning this number includes "decorated elements", which are printed or stickered version of the parts. Most of these decorated elements exist in non-decorated form, however there are exceptions.</p>
  
  <p>Out of these 55900 elements <strong>DUPLO</strong> has 4299 entries.</p>
  
  <p>Now Technic is a bit more complicated. If we take just the elements in <strong>Technic</strong> categories there will be 2298 parts. Some Bionicle and Hero Factory elements could also be considered as Technic, however they are listed under their respective categories instead.</p>
  
  <p><strong>Minifigure</strong> categories account for 17758 elements.</p>
  
  <p>Noticeable categories include <strong>Bionicle</strong> (595 elements), <strong>Belville</strong> (158), <strong>Clickits</strong> (372), <strong>Modulex</strong> (1172) and <strong>Scala</strong> (465).</p>
  
  <p>Some other categories are small enough to contain all elements within single category like <strong>Fabuland</strong> (223 elements), <strong>Galidor</strong> (117), <strong>Hero Factory</strong> (253) and <strong>Znap</strong> (21).</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-05-21T04:37:50.787Z
Answers.LastActivityDate: 2020-05-21T11:53:10.780Z
Answers.LastEditDate: 2020-05-21T11:53:10.780Z
Answers.UserDisplayName: Alex
Body: <p>I’m looking for the number of “kinds” of pieces, not the aggregate number of all pieces produced. A breakout of Duplo, Technic and other “specialties” would be helpful as well.</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-05-22T01:37:01.883Z
Comments.Text: Yeah good enough. I looked several times for existing ones but that didn’t come up.
Comments.UserDisplayName: Dan1701
Tags: <piece-information>
Title: How many unique Lego elements are there?
UserDisplayName: Dan1701
ThreadText: # How many unique Lego elements are there?
  
  (Asked by: username_0 on 2020-05-20)
  
  I’m looking for the number of “kinds” of pieces, not the aggregate number of all pieces produced. A breakout of Duplo, Technic and other “specialties” would be helpful as well.
  
  **Tags:** piece-information
  > **Comments:**
  > **username_0**: Yeah good enough. I looked several times for existing ones but that didn’t come up.  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2020-05-21. Score: 3
  
  Bricklink will be a source of the data to answer this question.
  
  At the time of this answer Bricklink has 59610 items in its [part catalog](https://www.bricklink.com/catalogTree.asp?itemType=P). However, this list contains such categories like "Sticker Sheet" (3422 items), "Stickers Over Assembly" (250 items), "Special assembly" (38 items) you wish to exclude, since they are not really individual parts. This leaves us with 55900 parts. It is worth mentioning this number includes "decorated elements", which are printed or stickered version of the parts. Most of these decorated elements exist in non-decorated form, however there are exceptions.
  
  Out of these 55900 elements **DUPLO** has 4299 entries.
  
  Now Technic is a bit more complicated. If we take just the elements in **Technic** categories there will be 2298 parts. Some Bionicle and Hero Factory elements could also be considered as Technic, however they are listed under their respective categories instead.
  
  **Minifigure** categories account for 17758 elements.
  
  Noticeable categories include **Bionicle** (595 elements), **Belville** (158), **Clickits** (372), **Modulex** (1172) and **Scala** (465).
  
  Some other categories are small enough to contain all elements within single category like **Fabuland** (223 elements), **Galidor** (117), **Hero Factory** (253) and **Znap** (21).
  
  
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