Tenrai Portable Cat Playpen, Trapezoidal Design for Better Standing, Foldable Pet Tent for Indoor and Outdoor Use of Kitten and Puppy, Dog Play Enclosure, Cat Houses & Condos

Playpen with separate pooping area You could try this. I used it for my tuxedo kitten (who is absolutely insane and literally bounces off the walls) after her spay, and she used the litter box without any issues since it’s in its own little “room.” It’s actually pretty spacious for a kitten. 😸