The world’s most expensive Lego sets

Ultimate Collector’s Series Millennium Falcon Highest known sale price: US$15,000 Originally priced at about £325 ($640) on release in 2007, these sets have routinely sold online for between £2500 ($4900) and £4200 ($8230)

Taj Mahal, First Edition Highest sale price: £2790 ($5470) Since Lego re-released the Taj Mahal a few years ago as part of a different collection, prices fell to about £325 ($640)

King’s Castle Highest price: £1880 ($3690) Note that a sealed Lego set in the box is worth up to 10 times as much as an opened one.

Ultimate Collector’s Series Imperial Star Destroyer Highest price: about £1600 ($3140)

Not rare, but Lego Star Wars sets fetch high prices because of enormous demand from adult fans.

Market Street

Average price: £1562 ($3060)

An intricate set with spiral staircases, awnings and removable balconies, part of the sought-after “modular” collection.