I got it from Amazon. I have 3 sets of panels connected together. Each set is 24 panels, 12 plastic, 12 metal. I’ve been using it for 3 years and I love it. It’s sturdier than it looks. I leave it up all summer and take it down in the winter and we move it to mow the grass. The only thing is it doesn’t have a top so I never leave them alone outside. I live basically in the woods and we definitely have prey birds around and I don’t want them getting my babies. And the ferrets can absolutely dig under the panels if given enough time. So I just stay in the pen with them like a giant human scarecrow 😂 amzn.to/3V0T4Ex
They are as long as they don’t eat them. I would just keep an eye on your baby make sure that he/shes not going to eat it. That’s really the main concern with most toys for ferrets.