My good friend Mrs. Riechers has put together some activities that you might enjoy
https://marshalles.pwcs.edu/class_pages/encore_team/sarah_riechers-_music/files_and_documents


Here are some great online music games by our friends at PBS Kids.
https://pbskids.org/games/music/

Here are some games for 3rd, 4th and 5th graders
https://www.classicsforkids.com/games.html