Bing/DE3 doesn’t seem to know how to deal with a spherical vacuum cleaner inside of a cow (Lego or otherwise).
But DE3 has a really weird quirk of where it keeps wanting to insert small brown star-like objects into images unrequested that I eventually discovered were star anise. Here is a time I mentioned them on this site:
And here is a more recent instance:
So I’m generating Lego spherical vacuum cleaners in a cow, and one of them, if you look close you’ll see a tiny Lego star anise.