"I love that it's modern and sophisticated but still really warm," the Poosh founder said. "It's not the style of my house, per se, because it's more modern. But my house has the same wood on our pergolas outside, and the wood floors inside [of the playhouse] match the wood floors inside my house."
The gorgeous play house features many sentimental touches, from Penelope's artwork to Kourtney's childhood rocking horse – it even holds a few books Kourtney and her sister Kim Kardashian used to read as little girls.
However, there’s one important rule the kids must follow: no technology!
"There's no iPads, phones, computers, video games, TVs—nothing is allowed inside," Kourtney said. "That's why we have a lot of books. It's great for playing games and really just being imaginative."
"I would love for them to all hang out in here together, but currently they don't," she continued.
"They'll come in here separately, I've found the most. Like, Penelope will come in here with her friends. I think the 'no technology' is a turnoff for Mason. He just doesn't love that, and Reign will come play in here and hang out."