hollybeth said:
How much do they cost to hire and where do I hire them from?
In the Disney Parks
Pushchair hire located near the Disney Park entrances (paying service, limited number; subject to availability).
Baby Care Centers, located behind Studio Services in the Walt Disney Studios® Park and on Main Street, U.S.A. in the
Disneyland® Park for changing, preparing food and feeding. Nappies and baby food are on sale at Baby Care in the Disneyland Park and at Studio Photo in the Walt Disney Studios Park.
Changing tables are available in most of the toilets in the Disney Parks.
Outdoor children's play areas: Pocahontas Indian Village in Frontierland and Pirates' Beach in Adventureland in Disneyland® Park.
Critter Coral in Frontierland in Disneyland® Park, home to small farm animals.
Baby Switch: for parents who wish to ride attractions that are inaccessible to their young children, this service makes it possible to take turns with their partner without having to wait in line a second time. Ask the Cast Members at the entrance to the attraction for further details.
Lost Children is located at City Hall, Main Street, U.S.A. or next to First Aid in Disneyland® Park and behind Studio Services in Walt Disney Studios® Park.

Thats all i could find on the Official site, half answers your question anyway
