Hi @sarahsm,
I hope you are well today and thank you for your question.
You can try achieving this using slider for pages by using the Activello child theme shared in the last reply in the following topic.
https://colorlibsupport.com/t/using-pages-rather-than-posts-for-flexslider/
Please configure it as described in the below thread.
https://colorlibsupport.com/t/slider-for-pages/#post-33351
Best Regards,
Movin