The Singapore Flyer is the world’s largest observation wheel. A one-of-a-kind experience and built over a three-story terminal building, the Flyer is 150 metres in diameter, 165 metres high, and travels at 0.21m per second (it is some 30 metres taller than the famous London Eye!) With breathtaking panorama views that are so radically different during the day and at night, it’s hard to choose the best time to take a ride. Passengers will get to see such city sights as the Singapore River, Raffles Place, Marina Bay, Empress Place and the Padang.

Each of its 28 city-bus-sized air-conditioned capsules can carry up to 28 passengers and a complete rotation of the wheel takes approximately 30 minutes. Initially rotating in a counter-clockwise direction when viewed from Marina Centre, its direction was changed on 4 August 2008 under the advice of  Feng shui masters.

The development has a gross building area of approximately 16,000 m2 (172,000 sq ft), built on a 33,700 m2 (362,700 sq ft) site along the Marina Promenade. Designed by Arup and Mitsubishi Heavy Industries with a capacity of up to 7.3 million passengers a year, the normally constant rotation of the wheel means that a complete trip lasts approximately 30 minutes.

The wheel features 28 air-conditioned capsules which, like those of the London Eye, are exo-capsules attached outward of the wheel structure. These offer the advantage of a continuously unobstructed view when the capsule is at the peak, unlike the more common endo-capsule design of most wheels (e.g. Star of Nanchang). Each capsule has a floor area of 26 m2 (280 sq ft) and is capable of holding 28 passengers, or up to five wheelchairs and 15 other visitors when booked in advance for use by disabled guests.

The terminal building on which the wheel sits comprises three floors of commercial space, with an adjacent open air Greek-inspired theatre along the waterfront and complemented by a jetty. The site is fully landscaped, including roof gardens and a recreated rainforest in the terminal's atrium. An open bus park for 40 buses is located behind the building, and connected by an underpass to a covered multi-storey carpark for 300 vehicles. This carpark in turn has direct links to the underground Promenade MRT Station which opened on 17 April 2010.