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.
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