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# How do I create and share SCA exam circuits?

You can use the SCA platform to build and run a **mock SCA exam** by creating custom circuits.

Circuits allow you to link multiple cases together and practise them in sequence - either solo or with others using [Group Practice Mode](/en/article/how-do-i-set-up-group-practice-mode-for-sca-cases-and-circuits-rqydih/).
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## Creating an SCA circuit

There are a few ways to create a new SCA circuit:

* Click **Build a circuit** in the [SCA case bank](https://app.geekymedics.com/sca-cases/), your [personal case library](https://app.geekymedics.com/sca-cases/?personal=true), or on any case’s overview page
* After finishing a case, click **Add to circuit** on your results page
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## Managing and sharing your circuits

Circuits you create are saved in your SCA **circuit library**: [https://app.geekymedics.com/sca-cases/circuits/](https://app.geekymedics.com/sca-cases/circuits/)

You can also reach it from the sidebar by opening **SCA cases** and choosing **Circuits**.

From there, you can:

* Edit and organise your existing circuits
* Launch a circuit for solo or group practice
* Share a link to invite others to practise the same circuit
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Still have questions? Feel free to get in touch - we're happy to help.