Rotation.org has a treasure trove of free Sunday School lessons and ideas for children. Their curated forums of ideas and lesson plans for teaching Bible stories to kids are multiple intelligence informed –meaning they aren’t just worksheets and coloring, but have lessons and ideas that include activities such as drama, art, games, cooking, Bible software, music, videos, storytelling, LEGOS, and much more. Ecumenical, broadly graded, and free –Rotation.org is also the home of the Workshop Rotation Model for Sunday School.
https://www.rotation.org/category-directory
https://www.rotation.org/pages/free-sunday-school-lessons-for-children
Sunday Software Support Archive 