Try these sites:
https://disciplr.com/49-best-sunday-school-games
https://ministry-to-children.com/sunday-school-lessons/
https://trainbibleteachers.com/music.htm
https://childrensministry.com/creative-music-ideas/
https://trainbibleteachers.com/music.htm
https://www.kidssundayschool.com/teaching-aids/resources-links
God Bless!
~
💞