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ScratchX allows you to try out experimental extensions to the Scratch programming environment. With extensions, you can connect Scratch to the physical world (such as electronic devices and kits) and online resources (including web data and web services).
</p>
<sectionid="dialogs">
<dialogopen>
<section>
<h2>Open an Extension File</h2>
<p>Choose a .sbx file from your local drive</p>
<p><ahref="">What is a .sbx file?</a></p>
</section>
<section>
<button>Browse for local file</button>
</section>
</dialog>
<dialogopen>
<section>
<h2>Open an Extension URL</h2>
<p>Paste the web address below</p>
<p><ahref="">What is a ScratchX URL?</a></p>
</section>
<section>
<button>Browse for local file</button>
</section>
</dialog>
<dialogopen>
<section>
<h2>Featured Extensions</h2>
<p><ahref="">Download hardware plugin</a></p>
</section>
<section>
<ul>
<li><ahref="">
<h3>Extension 1</h3>
<p>Extension 1 description</p>
</a></li>
<li><ahref="">
<h3>Extension 2</h3>
<p>Extension 2 description</p>
</a></li>
<li><ahref="">
<h3>Extension 3</h3>
<p>Extension 3 description</p>
</a></li>
</ul>
</section>
</dialog>
</section>
<asideclass="info">
Note: To use any physical extensions, you need to download the <ahref="">Hardware Plugin</a>.
</aside>
<asideclass="info">
Official Scratch Extensions (such as LEGO WeDo) are available on the main <ahref="https://scratch.mit.edu">Scratch site</a>.
</aside>
</div>
</header>
<section>
<div>
<h2>Developer Documentation</h2>
<p>Developers can create new Experimental Extensions using Javascript. To learn more, read the <ahref="">Developer Documentation</a>.</p>
</div>
</section>
</article>
<footer>
<div>
<section>
<p>Extensions on ScratchX are experimental and are not reviewed by the Scratch Team or the MIT Media Lab.</p>
<p>Scratch is a project of the Lifelong Kindergarten Group at the MIT Media Lab.</p>