At 135 metres, The London Eye is the world's tallest observation wheel, with 40 kilometre panoramic views on a clear day. The gradual flight in one of the 32 high-tech glass capsules takes Approx. 30 minutes & offers spectacular views of London & its famous landmarks such as Big Ben, Buckingham Palace, St Paul's Cathedral, Westminster Abbey & Trafalgar Square. New to the London Eye is the groundbreaking 4D film which features theatre effects such as wind, bubbles & mist to make the 4D. This short film takes place in County Hall & is about a girl struggling to see the landmarks of London, until she rides the London Eye. You will need to book a date for the Eye at least 24 hours in advance & dates are subject to availability. Time slots are available on a half hourly basis. Before you can board the Eye, you are required to exchange your London Eye voucher for your London Eye tickets at the ticket hall within County Hall, next to the Eye. If you wish to see the new 4D Experience before your flight, we recommend you check-in 45 minutes before your flight time. You will need to return to the Priority Check-in Desk 15 minutes before the scheduled flight time. Alternatively visit at your leisure after your flight on the London Eye.