The popular event, which runs until Monday, May 8, features an array of children’s rides as well as ones for older children and adults with a head for heights.
The rides and other attractions are spread across the Market Place and Wide Bargate.
Saturday also saw a model fairground exhibition at the nearby Guildhall Museum.
To order copies of Lincolnshire World’s photos, visit the photosales website, alternatively, call 0330 4030033, or email [email protected].
13. Feeling queasy
Boston Mayor Anne Dorrian and her consort David Middleton try out the waltzers at May Fair. Photo: Image supplied
14. Twisters
Bethony Thurlby and Jushua Thurlby, of Boston, having fun at the fair on Saturday. Photo: David Dawson
15. Models
Mini magic: Elliott Halgarth, 11, of Sibsey with his lego models at the Guildhall Museum. Photo: David Dawson
16. Mini May Fair
Ian Hides, of Metheringham, with his 1:76 scale models at the Guildhall on Saturday. Photo: David Dawson