However, here are some options you could use:
* A business of ferrets: This is a playful term, as it relates to ferrets' playful and busy nature.
* A mischief of ferrets: This emphasizes their playful and sometimes mischievous behavior.
* A colony of ferrets: This term is more accurate for describing a group of ferrets living together.
Ultimately, the best term depends on the context and the specific nuance you want to convey.