Some dogs like to have a dog bed in different rooms of the house too. (schnauzers-rule.com)
It will be much easier for you to rotate toys in and out of a single defined play space as compared to several different rooms of your house. (day2dayparenting.com)
I've talked to other families who have decided to host their own party and have children trick - or - treat in different rooms of the house for allergy - free foods or even non-food items. (cloudninebirths.com)