The rare McDonalds Monopoly pieces are specific stickers that are harder to find than others and can help you win bigger prizes. The rare pieces stay the same every year, but the prizes and the number of prizes that are available change. The rarest McDonalds Monopoly piece in the UK is Mayfair, with only four available, and the rarest in Canada is Tunnels of Moose Jaw, with only one available. Other rare stickers to look out for include Bond Street, Coventry Street, Strand, Liverpool Street Station, Marlborough Street, Euston Road, Northumberland Avenue, and Old Kent Road. The rare pieces are usually associated with the most expensive properties on the Monopoly board and have the highest value prizes. The number of rare pieces available varies depending on the prize, with some having only a few available and others having thousands.