Jouet Balle Boulder
Le PURRZ Boulder est conçu pour les chats qui ne peuvent pas ignorer un bruit de…
A low felt house shaped like a cat's head: a den below, a roof to lie on, and a bell ball in a track round the top rim.
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Maison jouet Catception
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Vet designed
Designed by emergency vet Dr Duncan Houston. Tested at home by Gary, a Ragdoll who lies on the roof and reaches down for the ball.
Explainer
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How it works

A cat hunts from behind something and strikes when the prey passes the gap.

Inside, an opening at each end, a plush cushion and walls all round: the hide a wary cat wants.

The pleated white walls and the grey plates peg together without tools and fold flat again.
Size guide
About 900 g packedOne cat inside, one on the roof
53.5 x 54 x 23 cm
Measure her curled up, nose to tail base. Under about 40 cm she curls inside on the cushion; over that, she uses the roof and the Petal Paws House is the bigger den. The house is about 23 cm high, so inside she lies rather than sits up; the roof is where she sits and watches.
Two cats use it without sharing, one in the den and one on the roof. In a multi-cat house the rule is still one hiding place per cat plus one, and the roof counts as a perch, not a hiding place.
Old and stiff cats: the roof is a low step and the den has no lip to climb, which suits them; check she can turn round inside. A cat who has stopped using a bed she loved is a vet visit before it is a new bed.

How to

Lay the plates out, stand the walls, close every peg, then drop the ball into the track and the cushion into the den. Tug each peg before you let her near it.

Under the coffee table, along the window wall, at the end of the couch, with one side to a wall and an opening facing the room.

Roll it round the track with a finger while she watches, then leave it. The first hit from inside the den is the one that teaches her the game.

The blanket she sleeps on now goes on the cushion for the first week. Do not put her in it; most cats find the roof first and the den in their own time. Give it two weeks.

Felt holds fur. Roll or vacuum the roof and walls weekly, wash the cushion on the same schedule as her other bedding, and re-check every peg after you move or clean it.
Vet noteDr Duncan Houston, emergency veterinarian
Felt sheds a little at first, and a cat who eats the fluff or works at the pegs should have it taken away and the habit mentioned to your vet; a loose peg is a swallowing risk. The ball is hollow with a bell inside: a ball she has cracked comes out of the track and goes in the bin, because a loose bell is small enough to swallow. Check every peg is closed after assembly and after each clean, or a seam opens under a cat leaning on it, and check the roof takes her weight before you let her make it hers. It is not for rabbits, whatever the pictures say: rabbits eat felt. A cat who starts hiding more than she used to, stops coming out for food, or stops using a spot she loved is telling you something is wrong: hiding is how cats show pain and illness, and it is a vet visit before it is a new bed. In a multi-cat house, one hiding place per cat plus one, and the roof counts as a perch, not a hiding place. Keep it out of the sun in summer; felt holds heat, and a low roof holds it close. If you are unsure about any of this, ask your vet.
Why I designed it
Watch a cat with a ball: she does not chase it across the room, she waits behind something and hits it as it passes.
Compare the range
This product Catception Cave | Avo-Cat-O House | Petal Paws House | Sneak & Slay Tunnel | The Cottage | |
|---|---|---|---|---|---|
| Best for | The cat who hunts from cover: a den with a bell ball in a track round the doorstep, a roof to lie on | The cat who plays where she sleeps: a den with a bell ball in the roof and a deck to lie on | Two cats who take a level each: a low den below, a deck on top, under the coffee table | The watcher: a tunnel to ambush from and a lid to sit on | The cat who wants a closed house with a roof to sit on; two doors |
| Shape | A cat's head in felt: pleated walls, a roof plate with ears, an opening at each end, a ball track round the top rim | An avocado half in felt: green walls, one wide front door, a cream deck with a brown seed over a bell ball | A five-lobed felt house, one door, a flat roof deck with a lip | Two felt drums in an S with a flat lid | A felt house: arched door, end opening, window, roof deck |
| Assembled size | 53.5 x 54 x 23 cm | 55 x 34 x 26 cm | 70 x 70 x 28 cm | 58 x 40 x 24 cm | 52 x 32 x 31 cm |
| Toy built in | A bell ball in the track round the top rim, and a felt tail that flaps up and down | A bell ball under the seed, plus two loose balls | None | None | None |
| Somewhere to sit on top | Yes, the roof plate | Yes, the roof deck | Yes, the roof deck with a lip | Yes, the lid | Yes, the roof deck |
| Height | 23 cm | 26 cm | 28 cm: under a coffee table | 24 cm | 31 cm |
| Options | One | One | One | One | One |
| Price from | $116.00 AUD | $101.00 AUD | $87.00 AUD | $87.00 AUD | $87.00 AUD |
| Reviews | Rated 4.9 out of 5.0 from 10 reviews | Rated 5.0 out of 5.0 from 14 reviews | Rated 5.0 out of 5.0 from 9 reviews | Rated 5.0 out of 5.0 from 11 reviews | Rated 5.0 out of 5.0 from 9 reviews |
| Current item | View product | View product | View product | View product |
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Reviews
Rated 4.9 from 10 reviews on Judge.me.
Rated 4.9 out of 5.
Based on 10 Judge.me reviews
I love the design, it's super cute. But too bad none of my cat play inside or with it.
Quality felt construction maintains integrity despite the complex cat shaped design. My cats genuinely prefer this innovative hideaway to basic boxes.
FAQ
It is 53.5 x 54 x 23 cm. What the photographs show: it is low, and a grey British Shorthair lies flat on the roof with room to spare.
The house is the tunnel: an opening at each end, so she goes in one side and out the other. The bell ball runs in a track round the top rim of the roof plate and stops either side of the doorway, so it never crosses the way in.
The four-star review on this page says her cats did not, and that is worth knowing. What works: put it where she already sleeps low, back to a wall, door facing the room, her blanket on the cushion, and roll the ball round the track once while she watches. Then leave it for two weeks. Most cats take the roof first and the den later, and a cat who never takes to it is a cat, not a fault.
Yes, and in the photographs that is where the cat mostly is. The roof is a flat felt plate with ears, pegged to the walls. There is no weight rating for the roof. Check the pegs after assembly and after each clean, because a cat leaning on an open seam opens it.
Yes, while the ball is whole. It is hollow with a bell inside and it lives in the track, so she plays it alone and you do not have to be there. A ball she has cracked comes out and goes in the bin, because a loose bell is small enough to swallow. A replacement ball is not sold on its own; the Boulder's bell ball is the same game.
A lint roller on the roof and walls once a week, a damp cloth on marks, and the cushion washed on the same schedule as her other bedding. Felt is wiped, not soaked; it holds water and loses its shape. If it needs more than that, it pegs apart flat and the panels can be brushed outside. Re-check every peg when it goes back together.
Email hello@purrz.com within 7 days of delivery with a photo and your order number; faulty, damaged or incorrect items are covered and we pay the return shipping when the error is ours. Felt panels arrive pressed flat; give them a day standing before you decide a seam is wrong, and peg it together on a hard floor so the plates sit square.
Part of the Ask A Vet ecosystem
PURRZ™ is the cat product arm of Ask A Vet, Dr Duncan Houston's animal health platform. Track your cat's weight, vaccinations and symptoms, set worming and flea reminders, and chat with a certified vet when something is not right.




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