Answers.Body: <p>This is a <a href="http://www.bricklink.com/v2/catalog/catalogitem.page?P=61088c01&amp;name=Duplo%20Sound%20Effects%20Brick%202%20x%204%20with%20Water%20and%20Pump%20Sounds%20(Set%205605)&amp;category=%5BDuplo%5D#T=C&amp;C=86" rel="noreferrer">Duplo Sound Effects Brick 2 x 4 with Water and Pump Sounds (Set 5605)</a>  brick from 2008. It featured only in 1 set, <a href="http://www.bricklink.com/v2/catalog/catalogitem.page?S=5605-1#T=S&amp;O=%7B%7D" rel="noreferrer">5605 Tanker Truck</a>.</p>
  
  <p><a href="https://i.sstatic.net/18aKl.png" rel="noreferrer"><img src="https://i.sstatic.net/18aKl.png" alt="enter image description here"></a></p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2016-07-30T12:50:48.140Z
Answers.LastActivityDate: 2016-07-30T12:50:48.140Z
Answers.UserDisplayName: Phil B.
Body: <p>We have ten of these, but I don't know from which series! When pressing the yellow button it makes a sound that could be a train or a tractor or something like that. We are curious. Does anyone know?</p>
  
  <p><a href="https://i.sstatic.net/7IuKm.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/7IuKm.jpg" alt="Front of the item"></a></p>
  
  <p><a href="https://i.sstatic.net/UaHaa.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/UaHaa.jpg" alt="Back of the item"></a></p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2016-07-29T20:20:20.023Z
Comments.Text: It doesn't look like any Lego piece I've ever seen. Does it have Lego written on it anywhere? Are there any numbers written on it? Any other angles?
Comments.UserDisplayName: Mr. Shiny and New 安宇
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2016-07-30T06:56:58.147Z
Comments.Text: I have updated the question with more info on the sounds it makes, and with an image of the back.
Comments.UserDisplayName: Jacob Rohde
Tags: <part-identification><duplo><electronics>
Title: From what series is this brick? Duplo machine piece with yellow button, copyright 2007
UserDisplayName: Jacob Rohde
ThreadText: # From what series is this brick? Duplo machine piece with yellow button, copyright 2007
  
  (Asked by: username_0 on 2016-07-29)
  
  We have ten of these, but I don't know from which series! When pressing the yellow button it makes a sound that could be a train or a tractor or something like that. We are curious. Does anyone know?
  
  [![Front of the item](https://i.sstatic.net/7IuKm.jpg)](https://i.sstatic.net/7IuKm.jpg)
  
  [![Back of the item](https://i.sstatic.net/UaHaa.jpg)](https://i.sstatic.net/UaHaa.jpg)
  
  **Tags:** part-identification, duplo, electronics
  > **Comments:**
  > **username_1**: It doesn't look like any Lego piece I've ever seen. Does it have Lego written on it anywhere? Are there any numbers written on it? Any other angles?  
  > **username_0**: I have updated the question with more info on the sounds it makes, and with an image of the back.  
  
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  ## 1 answers
  
  ### Answer by username_2 on 2016-07-30. Score: 7 | Accepted answer
  
  This is a [Duplo Sound Effects Brick 2 x 4 with Water and Pump Sounds (Set 5605)](http://www.bricklink.com/v2/catalog/catalogitem.page?P=61088c01&name=Duplo%20Sound%20Effects%20Brick%202%20x%204%20with%20Water%20and%20Pump%20Sounds%20(Set%205605)&category=%5BDuplo%5D#T=C&C=86) brick from 2008. It featured only in 1 set, [5605 Tanker Truck](http://www.bricklink.com/v2/catalog/catalogitem.page?S=5605-1#T=S&O=%7B%7D).
  
  [![enter image description here](https://i.sstatic.net/18aKl.png)](https://i.sstatic.net/18aKl.png)
  
  
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