At 8m tall and made of more than 300,000 bricks, it is not the sort of Christmas tree Santa Claus is likely to miss.
Model maker Katrina James took great care as she leaned out from a cherry-picker and gently slotted into place the bright yellow star that adorns the top of the tree at Legoland in Windsor this week.
The enormous Lego tree took six modelling experts four weeks to construct.
The pine tree was built in sections that were then manoeuvred into place, and the tree has been festooned with hundreds of twinkling lights.
The star itself took Ms James six days to create, requiring meticulous design to ensure it was precise and had perfect proportions.
Despite looking rather delicate, the tree has been built to withstand the elements.