If you go to Admin Panel--> Theme--> Advanced Settings-->HTML code section, you can insert the following code and replace https://twitter.com24 with your Twitter page link. Please ensure you include 'https://' as well. This will be added to all sidebars inside a white box.
<a class="twitter-timeline" href="https://twitter.com">Tweets19 by 'SMART Tech'</a> <script async src="https://platform.twitter.com/widgets.js20" charset="utf-8"></script>
Let me know if any questions!