LEGO Friends Cat Birthday Party & Tree House 42666
Highly rated
$23.99
In Stock
WARNING: choking hazard - toy contains a small ball. Not for children under 3 yrs.
WARNING: choking hazard - small parts. Not for children under 3 yrs.
Eligible for registries and wish lists
About this item
Additional product information and recommendations
Discover more options
$25.49
was $29.99 New lower price
4.8 out of 5 stars with 45 ratings
$33.99
was $35.99 New lower price
5 out of 5 stars with 21 ratings
$47.49
was $49.99 New lower price
5 out of 5 stars with 21 ratings
Related Categories
Guests are saying
The Lego Cat Birthday Party Tree House set is a delightful and engaging toy that captivates children with its vibrant colors and imaginative play. Designed for kids aged 4 and up, it features easy assembly and clear instructions, making it accessible for young builders. This set not only provides hours of entertainment but also encourages creativity and problem-solving skills. It's a perfect gift for cat lovers and offers a fun way to combine building with storytelling.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.9 out of 5 stars with 68 reviews
broad age appeal: 4.75 out of 5
ease of use: 5 out of 5
length of play: 5 out of 5
quality: 5 out of 5
value: 4.75 out of 5
100% would recommend
3 recommendations
5 out of 5 stars
Thumbs up graphic, would recommend
14 January, 2026Verified purchase
(no review title)
Daughter got for 7th bday, built set all on her own, and loves playing with it.
5 out of 5 stars
5 December, 2025Verified purchase
(no review title)
Haven’t opened it yet. I’m just glad you had it in stock. It’s for Xmas
5 out of 5 stars
Thumbs up graphic, would recommend
3 December, 2025Verified purchase
(no review title)
Christmas gift for my granddaughter
5 out of 5 stars
Thumbs up graphic, would recommend
20 November, 2025Verified purchase
(no review title)
My daughter had so much fun assembling and playing with this set!
5 out of 5 stars
18 November, 2025Verified purchase
(no review title)
Enjoyed very much
5 out of 5 stars
4 October, 2025
originally posted on influenster.com

Adorable
[This review was collected as part of a promotion.] My neice was so happy when I gave this to her. This is a super cute set and she's having so much fun putting it together it seems pretty easy for her to figure out at 7 years old
5 out of 5 stars
2 October, 2025
originally posted on influenster.com

Fun Lego set
[This review was collected as part of a promotion.] My girls, ages 5 & 7, loved Cat Birthday Party and Treehouse set. Our household loves Lego products. The set has easy to follow directions, and the bags that come numbered make for an easy to understand assembly. There are no sharp edges or any worries that I have with the Lego sets.
5 out of 5 stars
29 September, 2025
originally posted on influenster.com

Adorable and easy to use
[This review was collected as part of a promotion.] This was so cute! My child love building and rebuilding this set. The directions were not hard to follow and the pieces went together nicely and did not put up much fight to separate.
5 out of 5 stars
28 September, 2025
originally posted on influenster.com

Cat Birthday party tree house is the best!!!
[This review was collected as part of a promotion.] Cat birthday party tree house has safety features on it were you can't get hurt playing it,has a lot of entertainment value very fun to play with,to assemble the parts and pieces is very easy to do,The cat tree house has a lot of versatility to it,and the Cat tree house is very durable to play with and put together!!!!
5 out of 5 stars
18 September, 2025
originally posted on influenster.com

Great LEGO set for cat lovers!
[This review was collected as part of a promotion.] We love the Lego Cat Birthday Party & Tree House set! My daughters (ages 4 and 8) have continued to use these as play sets, which means they get taken apart often. Luckily, assembly is so easy with this set. The different colors of each section of the tree house make it a snap to put back together. My only suggestion would be to make a similar Lego set that is similar to this for younger ages, as my toddler enjoyed the set most and required supervision due to part size. Still, it's a great set and also makes a great decoration for daughter's homeschool desk.
5 out of 5 stars
18 September, 2025
originally posted on influenster.com

Cute, challenging and fun
[This review was collected as part of a promotion.] My 9 year old daughter loves this Lego set, a lot! It’s colorful, fun and will keep her occupied for a little while. We love doing things like this as it’s a fun challenge that makes her pay attention to detail! 9/10
4 out of 5 stars
17 September, 2025
originally posted on influenster.com

Great toy
[This review was collected as part of a promotion.] I got this for my nieces and they were so excited to play with it. It’s easy enough for them to put together without getting frustrated and the pieces are big enough that it’s not a choking hazard.
5 out of 5 stars
17 September, 2025
originally posted on influenster.com

Such a cute Lego set!
[This review was collected as part of a promotion.] This Lego set is just too cute! I love the fact that after you put it together with a step by step instructions guide which is great! Then it’s a play set! So you get a lot more use out of it! It gives hours of entertainment!
4 out of 5 stars
13 September, 2025
originally posted on influenster.com

So cute
[This review was collected as part of a promotion.] I ended up gifting this to a friends daughter for her birthday and she absolutely loves it! It was easy to put together and did not take that much effort, with the directions that were given. This is super cute and such a good affordable price!
5 out of 5 stars
12 September, 2025
originally posted on influenster.com

Hours of fun
[This review was collected as part of a promotion.] I received the LEGO Friends set, which contains 321 pieces in exchange for my honest review,and I couldn't be more pleased with the experience. This set is incredibly well-organized, with each section of the build packaged in separate bags that are numbered to correspond with the instructions in the manual. This thoughtful packaging made it easy to follow along during the building process, eliminating any confusion. My granddaughter spent hours immersed in building and playing with this set. Not only did she enjoy putting the pieces together, but she also loved letting her imagination run wild with the characters and scenarios. The set promotes creativity and problem-solving skills, making it a perfect addition to her toy collection. Overall, I highly recommend the LEGO Friends set for kids who love construction and imaginative play. It offers both fun and educational value, and watching my granddaughter enjoy it was a joy in itself!
5 out of 5 stars
9 September, 2025
originally posted on influenster.com

New and Improved
[This review was collected as part of a promotion.] These are not the Lego sets from my childhood! The bags are numbered and so are the instructions with easy to follow pictures! I am not sure if I enjoyed putting this together more or my niece did. She will sure enjoy it for months to come as she played with it for at least an hour after first set up. Will be buying these Lego sets again for future gifts!
5 out of 5 stars
7 September, 2025
originally posted on LEGO
Birthday
I always get a Lego set for my God child to start someting new in her life.
5 out of 5 stars
1 September, 2025
originally posted on LEGO
Happy kid
This was a birthday gift and he could not have been more happy to get a set that he doesn't normally see in stores. Made it extra special.
5 out of 5 stars
28 August, 2025
originally posted on influenster.com

ABSOLUTELY PURCHASING MORE!!
[This review was collected as part of a promotion.] This is perfect for my 3 year old niece, kept her occupied and distracted while her baby sisters were sleeping. definitely recommend keeping it away from anyone under 3 for safety purposes. assembling is easy when it comes with instructions and pictures to show you where to put what. my niece knocked it down by accident but everything held together pretty well.
5 out of 5 stars
28 August, 2025
originally posted on influenster.com

So fun
[This review was collected as part of a promotion.] Super fun! Don’t recommend putting this together with a toddler in there room though. Haha. Will definitely buy more in the future. My best friend loves legos