What’s there to do on a rainy day? If you are someone like Kiki, with a big imagination, you teach someone how to play the Think-Ups! Here’s how to play: take turns thinking up any creature you like and, just like that, that creature (or several of them) will appear. In a blink, the house is filled with hopping, hungry, messy Think-Ups! Quick, Kiki! What are the rules for ending the game?