Roma Pass

Haven’t mentioned this yet but we got a couple of these from an information point we past on the way to The Coliseum yesterday. They give you free entrance to the two museums or sites run by the City & free public transport for three days.
Most usefully you also get your own queue at these sites or in our case no queue at all. We must have walked past and hour and half queue. They paid for themselves just in doing that.
We also used them on the bus to the Vatican this morning.