Having a pet teaches us everything about them, we learn much more when we have a cat at home. These feline friends of ours like to explore, climb jumping off the furniture in the home. That is what motivated the firm Papercut Lab who have designed Katris-modular which is an awesome furnishing to be kept at home.
Specially your cats will adore them. This can be assembled like a gem of Tetris. Have a look at this: