<p>That's a LEGO Dimensions Toy Tag, used  to connect the physical toys to the now discontinued LEGO Dimensions game. See it here: <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=18603c00a#T=C&amp;C=15" rel="noreferrer">https://www.bricklink.com/v2/catalog/catalogitem.page?P=18603c00a#T=C&amp;C=15</a></p>

<p>Yours is the plain kind (no printing on top), which means it was not used for a minifig, but for one of the small builds in a LEGO Dimensions set. Here is a list of all the sets the part you have appeared in: <a href="https://www.bricklink.com/catalogItemIn.asp?P=18603c00a&amp;in=S" rel="noreferrer">https://www.bricklink.com/catalogItemIn.asp?P=18603c00a&amp;in=S</a></p>

CC BY-SA 4.0
2018-08-12T20:10:13.660Z
2018-08-12T20:10:13.660Z
TheBrickBlogger
<p>My kiddo has recently been given a random parts grab bag, and we’re unable to ID one particular item, of which he has three: anyone know this part?</p>

<p><a href="https://i.sstatic.net/smkpk.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/smkpk.jpg" alt="enter image description here"></a></p>

<piece-information><part-identification>
Mysterious Part ID help, clear blue disk with electronics inside
GerardFalla
# Mysterious Part ID help, clear blue disk with electronics inside

(Asked by: username_0 on 2018-08-12)

My kiddo has recently been given a random parts grab bag, and we’re unable to ID one particular item, of which he has three: anyone know this part?

[![enter image description here](https://i.sstatic.net/smkpk.jpg)](https://i.sstatic.net/smkpk.jpg)

**Tags:** piece-information, part-identification


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## 1 answers

### Answer by username_1 on 2018-08-12. Score: 7 | Accepted answer

That's a LEGO Dimensions Toy Tag, used to connect the physical toys to the now discontinued LEGO Dimensions game. See it here: <https://www.bricklink.com/v2/catalog/catalogitem.page?P=18603c00a#T=C&C=15>

Yours is the plain kind (no printing on top), which means it was not used for a minifig, but for one of the small builds in a LEGO Dimensions set. Here is a list of all the sets the part you have appeared in: [https://www.bricklink.com/catalogItemIn.asp?P=18603c00a∈=S](https://www.bricklink.com/catalogItemIn.asp?P=18603c00a&in=S)


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