I would concentrate on the life of Jesus with some additional details about the New Testament books.
Could get lots of pictures and ask them what they can remember about the story e.g. 5 loaves and 2 fish etc https://www.freebibleimages.org/illustrations/wr-gospels1/ and https://www.freebibleimages.org/illustrations/wr-gospels2/
http://childrensbiblelessons.blogspot.com/2014/11/lesson-introduction-to-new-testament.html
https://ministry-to-children.com/new-testament-gospels-review-worksheets-for-children/#gsc.tab=0
https://www.freebibleimages.org/illustrations/jj-new-testament/
https://missionbibleclass.org/new-testament/
https://truewaykids.com/new-testament-bible-lessons-for-kids/
Story book – Jesus Story Book
Videos
https://youtu.be/Q0BrP8bqj0c?si=Xl33vq2KI4I6KjUF
https://youtu.be/q5BV68-Jamc?si=CLXv7sKad95JODWK
https://youtu.be/UyZb6XeEeEM?si=ehJ3kjzMUaqsWrVU
Song
https://youtu.be/Rn84AYtFUSM?si=AMN-1MP_WhkzGWXZ
https://youtu.be/R8njRidwOhM?si=C_Fpg3nNxqZcwD1e
Crafts