🐀 How to Set Up the Best Rat Cage

The pet rat is one of the smartest, most affectionate small animals you can bring home, and because rats are natural athletes and climbers, the headline rule for their home is simple: go tall and give them levels. A roomy, multi-level cage turns an ordinary enclosure into a climbing playground your rats will use from top to bottom every single day.

Cage size & type

Choose a tall wire cage with several connected levels, ramps, and platforms so your rats can climb, explore, and look down on their world. Horizontal bars are ideal because they give nimble feet something to grip, and bar spacing should be 1/2 inch or smaller so no clever escape artist can squeeze through. Please skip aquariums and closed glass tanks. They trap stale, ammonia-heavy air near the floor, and rats have famously sensitive lungs that suffer in poor air. Open wire sides let fresh air flow through, which keeps the whole cage healthier.

Bedding & safe flooring

Line the base with unscented paper bedding. It is soft, absorbent, low-dust, and kind to sensitive noses. If your cage came with bare wire shelves or ramps, cover them with a solid surface such as fleece, cardboard, or fitted liners, because standing on wire is uncomfortable and can lead to sore feet over time. Rats are prone to respiratory problems, so keeping bedding dry matters: scoop damp corners and soiled spots often to hold down ammonia between full changes. Fresh, dry bedding and good airflow together do more for rat health than almost anything else.

Climbing & enrichment

This is where rats truly shine. Fill the cage with hammocks, ropes, ladders, tunnels, and cozy hides set at different heights so there is always a new route to take and a snug spot to nap. A large solid-surface running wheel — big enough that their back stays flat, not arched — gives them a healthy way to burn energy. Rotate cardboard boxes, willow chews, and puzzle toys to keep their busy, clever minds engaged. Rats are wonderfully trainable and friendly, and a well-stocked cage gives you endless chances to teach tricks and build trust.

Feeding

Make a fortified rat pellet or lab block the everyday base of the diet. These are nutritionally balanced and keep your rats from picking out only the tasty bits of a loose mix. Alongside, offer fresh vegetables and small, healthy treats for variety and bonding. Go easy on fatty and sugary snacks; a little is a lovely reward, but too much quickly leads to a chubby, less healthy rat. Always keep clean, fresh water available, ideally from a bottle that cannot be tipped or fouled.

Company & daily care

Never keep a single rat. Rats are deeply social and grow lonely and withdrawn alone, so always house them in same-sex pairs or small groups. Cage-mates are not a replacement for you, though: rats also need daily out-of-cage time to stretch their legs, explore, and bond with their people. With good company, a big cage, and gentle handling, most rats live about 2 to 3 years and become affectionate, clever companions that learn their names and come when called.

Quick setup checklist

• Tall, multi-level wire cage with horizontal bars and 1/2-inch or smaller spacing
• Unscented paper bedding, with solid covers over any wire shelves
• Hammocks, ropes, ladders, hides, and a large solid-surface wheel
• Fortified rat pellets or blocks, plus fresh veggies and small treats
• At least two same-sex rats, never a single rat alone
• Daily out-of-cage playtime and plenty of fresh airflow

Not sure a rat is the right fit yet? Our guide to the best pets for kids can help you decide, or take our free pet quiz to find your family's perfect match.

🛒 Recommended supplies

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🧽 Cleaning & maintenance

Spot-clean every day by scooping out soiled bedding, droppings, and leftover fresh food, and rinse the water bottle or bowl. Once a week do a bigger clean: change most or all of the bedding, wipe down the rat cage or tank, and scrub the hideouts, dishes, and wheel. Use warm soapy water or a pet-safe small-animal cage cleaner and dry everything before adding fresh bedding — harsh household cleaners and strong scents irritate small lungs. Litter-trained pets make this quick if you scoop the litter box each day.

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❓ Common questions