As the title says - I want to spoil them rotten and make their lives as fun and enjoyable as possible. They give me so much joy and I want to reciprocate.

They are 1 year old, indoor only.

What are some “extra” things you do for your cat, as a treat, to make their lives better? I’m not talking “window perch to look outside”, I’m talking over the top stuff that non-cat people would roll their eyes at. Please drop some ideas!!

(Just one thing, one of them has allergies and is on a strict diet so trying out new foods is not feasible for us!)