Sound Explorations (Primary): This resource e-book from STAR is a compilation of lesson ideas for teaching improvisation and composition at the primary level.
https://viewer.joomag.com/sound-explorations-pri/0489051001615435366?short&
The lesson ideas are not specific to any approach as they draw inspiration and combine ideas from various instructional approaches. Examples of those closely related to the principles of the Orff approach include:
Lower Primary: Sounds like “Rain” (pp 10 - 11)
Middle Primary: Improvising with Pitched Percussion Instruments (38 - 39)
Upper Primary: Osti-Rap with My Friends (pp 88 - 89)
Lower Primary: Music and Movement (Body Percussion) https://vle.learning.moe.edu.sg/community-gallery/lesson/view/7c153a61-e592-4264-9a64-940eea7e8805/cover
Lower Primary: Music is Fun! Groove to the Rhythm with Household Items https://vle.learning.moe.edu.sg/community-gallery/lesson/view/f49fc0fc-0b1f-4f45-b554-b8a3d9d78258/cover
Middle/Upper Primary: The Lion Sleeps Tonight (Recorder Ensemble) https://vle.learning.moe.edu.sg/community-gallery/lesson/view/fc8871d4-2724-47be-8381-ae8dd7337165/cover