Three-Level Ferret Furniture www.petsmart.com - $29.99 Product Description: Your ferret will love having his very own furniture to climb on and hide in. This sturdy climbing tower is made from pressed wood and covered in carpeting throughout; has three interior levels for plenty of climbing and sleeping space. Measures 19 1/2"H x 11" in diameter. RattyRat's Review: Our rats LOVE this ferret furniture! It's lots of fun for them to climb on and hide in. The only bad thing about it is that it is hard to clean.