Would you devolve all tax-raising powers, introduce a sovereign wealth fund or finally get that city monorail scheme off the ground?
Tweet us at @chambertalk, using the hashtag #PMfor1day and the most constructive, imaginative or entertaining entry will win the tickets.
Closing date is 12noon Friday, July 10 so fire up Twitter and tell us @chambertalk how the world would change if you were PM for a day.
There is a chance to win tickets every month from April to December 2015, so look out for the next competition details.
- Tickets can be in separate cabins if requested by the winner.
- The promotion is free to members to enter and no purchase is necessary
- Date of travel is subject to availability
- Tickets must be claimed within one year of notification.