String Resource YOUTUBE page for Mr. R: New content will continue to be uploaded  https://www.youtube.com/channel/UC61GP4K0yjJnnXw3udPpgbA

Fun games for working on Rhythm, Note Reading (violin/cello/bass) and ear training! Try out the Lite versions of Rhythm Cat, Treble/Bass Cat and Ear Cat! https://melodycats.com/

This has some other fun interactive games for note reading (especially under the lines and spaces tab)
http://musicteachersgames.com/