Create Your Own Cardboard Climber with Catty Stacks BONUS GIVEAWAY

Catty Stacks Cardboard Cat Climbers

Here’s a fun new product that lets you create a customized climbing structure for your cats. It’s the Catty Stacks, designer cat house system. These super strong corrugated cardboard boxes can be connected in three dimensions to create all sorts of configurations for climbing, perching, playing, napping, and hiding. The nice folks at Catty Stacks sent us a set to test out and they were an instant hit. Here are Simba and Dee checking out the new play station:

Catty Stacks Cardboard Cat Climbers

The boxes ship flat and are really easy to set-up, just unfold and insert some tabs into slots and you’re ready to go. The special corner design allows you to clip the boxes together (clips are included) to create a nice sturdy structure. Once the boxes are clipped together, you can lift the whole stack to move it (just make sure there aren’t any cats inside!)

Catty Stacks Cardboard Cat Climbers

Holes on the side of the boxes allow kitties to enter and exit and connect from one box to the next. When two boxes are clipped together, you can remove a larger portion of the side panel to create a more spacious inner lounge area. When boxes are stacked on top of each other, the vertical access holes are staggered, making it easy for kitty to get her footing as she climbs up through the boxes. The thing I’m most impressed with is the strength of the double thickness cardboard. This is some of the strongest cardboard I’ve seen, so the Catty Stacks should last a long time.

Catty Stacks Cardboard Cat Climbers

There are a number of accessories you can purchase as add-ons for your Catty Stacks, including a crawl tube that connects between two boxes, special felt pillows for extra comfort, and an animation wand that connects easily to one of the accessory points and has a clip on the end to attach kitty’s favorite toy. Here’s Theo getting ready to attack the dangling toy:

Catty Stacks Cardboard Cat Climbers

The boxes come in light pink, chocolate brown, sky blue, pistachio green, and white, all printed with 100% soy-based inks. The cardboard used is also 100% recycled and recyclable. You can choose any combination of colors when ordering the boxes in kits ranging from one box for $17.99 US, to ten boxes for $129.99 US.

Catty Stacks Cardboard Cat Climbers


Catty Stacks is giving away a six box set in the winner’s choice of colors! I guarantee your kitties will love Catty Stacks! To enter, please leave a comment on this post. The winner will be chosen in a random drawing on July 12. One entry per person. This giveaway includes free shipping to addresses in the US and Canada.

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1,230 Responses to “Create Your Own Cardboard Climber with Catty Stacks BONUS GIVEAWAY”

  1. 1101

    Yes please! Want very much!

  2. 1102

    Who doesn’t like to climb things!

  3. 1103

    Wow, comments are over 1000! If they can be cheaper, I bet there will be more orders. BTW, we love it!

  4. 1104
    cassandra gates

    little mui would love this! pick me!!

  5. 1105

    Please pick us! Simba, Monty, and Topaz

  6. 1106

    My cats would LOVE these!

  7. 1107
    Danielle P

    Wow, these look like alot of fun; for me and my kitties. Purrs.

  8. 1108

    Neat. My cat would have so much fun!

  9. 1109

    My crew of 7 fur faces would love these!

  10. 1110
    Melissa M

    Interesting idea. I’d love to try these out.

  11. 1111

    if we win, my three kitties could have two boxes each to pounce and destroy! thanks!

  12. 1112
    L Dub

    My Siamese cat, Frankie, would go bananas over these.

  13. 1113

    Oh wow my cats would LOVE these !!! I have 8 kitties and a pack of 6 of these boxes would ROCK THEIR WORLD !!!! :) All the fun they could have playing hide and seek in these !!!

    My kitties would be honored to be chosen for such a kitty castle !!! :)

    They are eyeing some of those pink boxes :)

  14. 1114

    Will catty stacks support my fatty cats?

  15. 1115

    this looks awesome!! out kities would love to play in one of these–it’s like a cat playground!

  16. 1116

    I would love some catty stacks! My cat could definitely use them!

  17. 1117

    These are wonderful and great colors!

  18. 1118

    My cats would love these. They have lots of energy to burn

  19. 1119

    these look awesome! so fun!

  20. 1120
    Kama Leier

    This looks like a lot of fun for my cats!!!

  21. 1121

    I don’t think my cats would ever leave the cardboard climber!!

  22. 1122

    My kitty Sulley would just love to win this! This site is so cool!

  23. 1123
    Regina K

    I can see how cats would find these boxes so alluring!

  24. 1124
    Joe Ross

    Wow. What a clever idea!

    Almost every cardboard box that comes into our place quickly belongs to our several cats. We’ve done various things to/with boxes, but these Catty Stacks are a simple, clever, and elegant idea.

    It’s so simple, I’m embarrassed I didn’t think of it first. Heh…

    We’ll be saving to get a few, and you can bet we’ll tell friends. Thanks to moderncat for bringing this idea to our attention.

  25. 1125
    Brooke Jacobs

    My girls would LOVE these. The selection of colors are nice. Hope we are the big winner!!

  26. 1126

    I like!Cute

  27. 1127

    My kitties would love these.

  28. 1128

    These just look cool!

  29. 1129

    Fun, functional and environmentally friendly looks like the perfect thing for my 5 cats. Thanks for the opportunity to enter this giveaway. =^..^=

  30. 1130

    I want one!

  31. 1131
  32. 1132

    I love the colors and that they are made from recycled cardboard! I hope I win the set for my kitties!

  33. 1133
    Rachel Clyne

    I have four cats that love their nylon connect-o-squares, but I love the idea of recyclable cardboard.

  34. 1134

    My cat would just LOVE this!

  35. 1135

    LOVE >**< LOVE!
    Let the Games Begin!

  36. 1136

    This would be wonderful – I can just imagine my cats little faces looking out from the box portholes!

  37. 1137

    These are the coolest thing I’ve seen for kitties in awhile….

  38. 1138

    I would never be able to get my kitties to come down!

  39. 1139

    These are awesome!

  40. 1140
    Liz Cranage

    I love this idea and its one of the few things I’ve seen that all of my cats can play with at once.

  41. 1141

    These are even better than the cardboard boxes that they all can’t get enough of, especially Jules. He would even fit in one of these!

  42. 1142
    Jodi Gersh

    these are so cute. and of course all kitties love cardboard boxes!

  43. 1143
    Sean Sonnenschein

    wow, these are great – with a starter set of 6 I would probably only need to double that. the cats would love these.

  44. 1144
    Edward Sonnenschein

    I could see having to fill up a room with these boxes and perhaps even make a path through the house from one room to another so that they cats would have their own private walkway. they would/could have a world of fun. this is definitely something that would be put to good use in my house.

  45. 1145

    Great idea! I know 4 kitties who would LOVE these!

  46. 1146
    Lisa Z

    Sweet! Those are so AWESOME. If I don’t win I might buy some anyways for my three cats. I was just thinking of a way to create a play area for them.

  47. 1147

    Looks like an expensive version of Cube. (

  48. 1148
    Lisa M

    my little troublesome kitty would love this!
    She hides in absolutly everything from tiny boxes to her own play tunnel
    Think this would be her dream come true!

  49. 1149

    Oh my gosh, these would be perfect for my kitty Cortana. They could be place next to a window for ultimate bird watching!

  50. 1150

    These seem fun! That cream cutie looks like my Sebastian:)


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