Habitat Expansions

Looking for a way to give your mouse, rat, gerbil, hamster or other small pet a more exciting habitat where they can roam around and explore? PetSmart’s small pet cage expansions are the perfect way to help your furry friend get some exercise while inside their cage. They’re also a great way to use your creativity to create a fun experience for your pet. With our collection of various tubes and tunnels, the options are endless! Once you’ve added a small pet habitat expansion, your cute little critter will be happily scurrying around their habitat, living their best life.

Adding a small pet cage expansion to your pet’s cage is a great way to show them how much you care. At PetSmart, we know just how precious your pet is to you, so we carry colorful tubes and tunnels that will help make your pet’s life more fun and enjoyable!

Looking for a cage for your small pet? You’ll find what you need at PetSmart. Our wide variety of small pet habitats and accessories includes: 

Small Pet Cages
Hutches
Play Pens
Tunnels & Hideouts
Toys & Habitat Accessories
Litter & Bedding
Odor Removers
And More

Stop by your neighborhood PetSmart or shop online to find the small pet habitat expansions and other small pet supplies to give your furball a happy life!

PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.