Choose a short novel, story or narrative poem that’s fun to read aloud and create sound effects for it. These can be self-generated (voices and body noises – clicking, shuffling, stamping and so on), hand-made (dried peas in a can) or sophisticated (using music technology software).
Like the Chrome Music Lab https://musiclab.chromeexperiments.com/
or BBC Sound Effects https://sound-effects.bbcrewind.co.uk/
You might want to listen to Michael Rosen – We’re going on a Bear Hunt to help you get started!