Hi, @Georgina Fensom! Welcome to rotation.org.
I have also shared your request on our Facebook page. If you are on Facebook, you might want to like our page and comment on the post to increase its visibility.
https://www.facebook.com/Rotation.org/
I made a whale years ago at a different church. I imagine the big black tarp has disappeared in a supply closet clean out. But it was pretty simple version with lots of tape and a borrowed box fan (and a can of open tuna for “smell effects”). The kids loved it
Amy