Take your little musicians outside and have some fun searching for mini beasts, tapping sticks and making shakers from natural resources. Here's some ideas for you....
Who can find two sticks in the outdoor classroom? Now use them to sing 'Tap your sticks'/Tapia'r ffyn
Hide some laminated pictures of minibeasts around your area....use the 'Walking through the Jungle' melody and create a new echo song....'Walking though the forest x2 What do we see? x2 I think I see a ladybird...as spotty as can be (listen here) https://www.readysteadymusic.com/music-store
Take some used milk containers outside and see what you can put in them to make a shaker....now sing 'Shake and Stop!'