We Love Cats

I thought I understood the cat rules by now. Can anybody explain why I cannot build anything in the highlighted slot? : r/rootgame

THE MINISTER'S CAT GAME RULES - How to Play The Minister's Cat

Rules for the New Monopoly Cat Token

Shut Up, Cat! Board Game by William Lewis Cox — Kickstarter

First Impressions: Cat Rescue

Sequence Cats

Nine Lives - Throwing Cats Game

Cat Cafe: How-to-Play Tutorial video from Gaming Rules!

Kitten Kaiju Games

Wizard Kittens Preview - Board Game Quest