Answers.Body: <p>There is no official answer on this, as “purist” LEGO is a consensus, not a definition. That said, there are several examples of pieces LEGO doesn’t classify as a part that are used in MOCs, such as:</p>
  
  <ul>
  <li>The <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=bb0219&amp;name=Train,%20Track%20Plastic%20(RC%20Trains)%20Connection/Stacking%20Pin%20for%20Track%20Storage&amp;category=%5BTrain,%20Track%5D#T=S&amp;C=85&amp;O=%7B%22color%22:85,%22iconly%22:0%7D" rel="nofollow noreferrer">pin</a> used to keep bundles of 4 train tracks together.</li>
  </ul>
  
  <p><a href="https://i.sstatic.net/7Jiws.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7Jiws.png" alt="enter image description here"></a></p>
  
  <ul>
  <li>This <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=424&amp;name=Technic%20Hub%20/%20Handle%201%20x%201&amp;category=%5BTechnic%5D#T=S&amp;O=%7B%22iconly%22:0%7D" rel="nofollow noreferrer">Technic hub piece</a> was never originally intended for standalone use (it was part of a pin joiner) but has been used by MOCcers due to having antistuds on both sides (within a 1x1 brick footprint). It was later used as a standalone piece in official sets before being replaced with a new design.</li>
  </ul>
  
  <p><a href="https://i.sstatic.net/xoCw0.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/xoCw0.png" alt="enter image description here"></a></p>
  
  <ul>
  <li>The iconic <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=96874&amp;name=Human%20Tool,%20Brick%20and%20Axle%20Separator&amp;category=%5BAccessory,%20Human%20Tool%5D#T=S&amp;O=%7B%22iconly%22:0%7D" rel="nofollow noreferrer">brick separator</a> is not intended as a regular LEGO piece, but has a whole class of MOCs based on it. I have seen it used as railway station roofs, spaceship wings etc.</li>
  </ul>
  
  <p><a href="https://i.sstatic.net/aRVIo.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/aRVIo.png" alt="enter image description here"></a></p>
  
  <p>Net, I think the general consensus is that if it has been produced by LEGO and you can find a way to incorporate it into a MOC, your creation is still considered “purist”. At the least it gives you good arguments for any debate that might arise. </p>
  
  <p>Curious to see how you will incorporate shopping bags in a MOC ... I can imagine one being used in a rather large scale MOC where you utilize the LEGO logo on it as part of a display.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-10-27T13:26:04.967Z
Answers.Text: Well, atm Lego shopping bags are the only way to store liquids or gases, or making airfoils of customizable designs while being "pure Lego". This may be pushing the limits for a bit.
Answers.UserDisplayName: he77789
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-10-28T12:50:26.353Z
Answers.Text: Not correct, pneumatic tanks can be used to store liquids or gasses: https://www.bricklink.com/v2/catalog/catalogitem.page?P=67c01#T=C&C=1
Answers.UserDisplayName: Michael Verschaeve
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-10-29T20:03:33.090Z
Answers.Text: I used the track pin in a MOC myself
Answers.UserDisplayName: Joubarc
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-11-06T04:49:47.013Z
Answers.Text: @Michael Verschaeve Well I mean a large amount, as a shopping bag can hold at least a few liters but those only store like 100mL.
Answers.UserDisplayName: he77789
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-12-20T19:21:29.283Z
Answers.Text: FYI: I don't know about early sets, but later the Technic hub was used as an individual piece in official sets.
Answers.UserDisplayName: Alexander O'Mara
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-10-27T12:37:48.707Z
Answers.LastActivityDate: 2019-12-20T19:20:38.570Z
Answers.LastEditDate: 2019-12-20T19:20:38.570Z
Answers.UserDisplayName: Phil B.
Answers.Body: <p>Another Lego byproduct that gets reused from time to time are "sprues".
  Some elements are moulded by having channels directing the plastic to the various part of the element. The remnant plastic in these channels is called the sprue (confusingly the channels themselves are called the sprue as well) 
  Some Lego elements are provided with a sprue still attached. </p>
  
  <p>Two examples come to mind:
  The sprue of this plant element</p>
  
  <p><a href="https://i.sstatic.net/25Y0z.jpg" rel="noreferrer"><img src="https://i.sstatic.net/25Y0z.jpg" alt="plant with sprue"></a> </p>
  
  <p>is often used as vines </p>
  
  <p><a href="https://i.sstatic.net/gYhYk.jpg" rel="noreferrer"><img src="https://i.sstatic.net/gYhYk.jpg" alt="enter image description here"></a></p>
  
  <p>And the magic wand elements from the Harry Potter series also come with a sprue, here is an example of them used as a decorative element in a wall</p>
  
  <p><a href="https://i.sstatic.net/X1UkY.jpg" rel="noreferrer"><img src="https://i.sstatic.net/X1UkY.jpg" alt="enter image description here"></a></p>
  
  <p>More uses of the Harry Potter magic wand sprue can be found here:
  <a href="http://www.newelementary.com/2018/08/how-to-use-lego-harry-potter-wand-sprue.html" rel="noreferrer">http://www.newelementary.com/2018/08/how-to-use-lego-harry-potter-wand-sprue.html</a></p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-11-06T09:55:50.873Z
Answers.LastActivityDate: 2019-11-06T09:55:50.873Z
Answers.UserDisplayName: Michael Verschaeve
Body: <p>I'm wondering if things like LEGO store plastic bags, LEGO boxes, instruction booklets, packaging etc., count as "LEGO pieces" if I incorporate them into a build for the purposes of posting as a purist LEGO MOC?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-10-28T09:13:13.210Z
Comments.Text: Even though this is an interesting question with interesting possible answers, it is still sadly the textbook definition of "primarily opinion-based", as there is no official definition of the term.
Comments.UserDisplayName: zovits
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-11-07T13:39:31.807Z
Comments.Text: Question could be reformulated so it's less opinion-based, e.g. What stuff produced be lego but not technically considered  a lego element can be used in builds ?
Comments.UserDisplayName: Michael Verschaeve
Tags: <piece-information><part-database>
Title: Does everything produced by The LEGO Group count as "LEGO pieces"?
UserDisplayName: he77789
ThreadText: # Does everything produced by The LEGO Group count as "LEGO pieces"?
  
  (Asked by: username_0 on 2019-10-26)
  
  I'm wondering if things like LEGO store plastic bags, LEGO boxes, instruction booklets, packaging etc., count as "LEGO pieces" if I incorporate them into a build for the purposes of posting as a purist LEGO MOC?
  
  **Tags:** piece-information, part-database
  > **Comments:**
  > **username_1**: Even though this is an interesting question with interesting possible answers, it is still sadly the textbook definition of "primarily opinion-based", as there is no official definition of the term.  
  > **username_2**: Question could be reformulated so it's less opinion-based, e.g. What stuff produced be lego but not technically considered  a lego element can be used in builds ?  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_3 on 2019-10-27. Score: 11
  
  There is no official answer on this, as “purist” LEGO is a consensus, not a definition. That said, there are several examples of pieces LEGO doesn’t classify as a part that are used in MOCs, such as:
  
  * The [pin](https://www.bricklink.com/v2/catalog/catalogitem.page?P=bb0219&name=Train,%20Track%20Plastic%20(RC%20Trains)%20Connection/Stacking%20Pin%20for%20Track%20Storage&category=%5BTrain,%20Track%5D#T=S&C=85&O=%7B%22color%22:85,%22iconly%22:0%7D) used to keep bundles of 4 train tracks together.
  
  [![enter image description here](https://i.sstatic.net/7Jiws.png)](https://i.sstatic.net/7Jiws.png)
  
  * This [Technic hub piece](https://www.bricklink.com/v2/catalog/catalogitem.page?P=424&name=Technic%20Hub%20/%20Handle%201%20x%201&category=%5BTechnic%5D#T=S&O=%7B%22iconly%22:0%7D) was never originally intended for standalone use (it was part of a pin joiner) but has been used by MOCcers due to having antistuds on both sides (within a 1x1 brick footprint). It was later used as a standalone piece in official sets before being replaced with a new design.
  
  [![enter image description here](https://i.sstatic.net/xoCw0.png)](https://i.sstatic.net/xoCw0.png)
  
  * The iconic [brick separator](https://www.bricklink.com/v2/catalog/catalogitem.page?P=96874&name=Human%20Tool,%20Brick%20and%20Axle%20Separator&category=%5BAccessory,%20Human%20Tool%5D#T=S&O=%7B%22iconly%22:0%7D) is not intended as a regular LEGO piece, but has a whole class of MOCs based on it. I have seen it used as railway station roofs, spaceship wings etc.
  
  [![enter image description here](https://i.sstatic.net/aRVIo.png)](https://i.sstatic.net/aRVIo.png)
  
  Net, I think the general consensus is that if it has been produced by LEGO and you can find a way to incorporate it into a MOC, your creation is still considered “purist”. At the least it gives you good arguments for any debate that might arise.
  
  Curious to see how you will incorporate shopping bags in a MOC ... I can imagine one being used in a rather large scale MOC where you utilize the LEGO logo on it as part of a display.
  
  > **Comments:**
  > **username_0**: Well, atm Lego shopping bags are the only way to store liquids or gases, or making airfoils of customizable designs while being "pure Lego". This may be pushing the limits for a bit.  
  > **username_2**: Not correct, pneumatic tanks can be used to store liquids or gasses: https://www.bricklink.com/v2/catalog/catalogitem.page?P=67c01#T=C&C=1  
  > **username_4**: I used the track pin in a MOC myself  
  > **username_0**: @Michael Verschaeve Well I mean a large amount, as a shopping bag can hold at least a few liters but those only store like 100mL.  
  > **username_5**: FYI: I don't know about early sets, but later the Technic hub was used as an individual piece in official sets.  
  
  ---
  
  ### Answer by username_2 on 2019-11-06. Score: 7
  
  Another Lego byproduct that gets reused from time to time are "sprues".
  Some elements are moulded by having channels directing the plastic to the various part of the element. The remnant plastic in these channels is called the sprue (confusingly the channels themselves are called the sprue as well)
  Some Lego elements are provided with a sprue still attached.
  
  Two examples come to mind:
  The sprue of this plant element
  
  [![plant with sprue](https://i.sstatic.net/25Y0z.jpg)](https://i.sstatic.net/25Y0z.jpg)
  
  is often used as vines
  
  [![enter image description here](https://i.sstatic.net/gYhYk.jpg)](https://i.sstatic.net/gYhYk.jpg)
  
  And the magic wand elements from the Harry Potter series also come with a sprue, here is an example of them used as a decorative element in a wall
  
  [![enter image description here](https://i.sstatic.net/X1UkY.jpg)](https://i.sstatic.net/X1UkY.jpg)
  
  More uses of the Harry Potter magic wand sprue can be found here:
  <http://www.newelementary.com/2018/08/how-to-use-lego-harry-potter-wand-sprue.html>
  
  
  ---
  
  