Selena's

 https://www.dramanotebook.com/watch-free-plays-online/

Simon's cat 

https://www.youtube.com/c/SimonsCat/videos

https://www.storyberries.com/category/picture-books/

https://gokid.ro/300-povesti-audio-frumoase-teatru-radiofonic/

https://varatic.teatrulioncreanga.ro/