How old are the kids? We live in the road next to Legoland and have annual passes. Assuming that they are tall enough…
Arrive at 9:30. Admission is early
Take a picnic, food is expensive
Ignore the train and turn RIGHT at entrance then walk down the hill past Viking falls…Walk to the bottom and ride the dragon roller coaster first. Work your way back up
Pirate falls is over-rated but you can fit five in if the kids are small. the see-saw pirate ship ride is excellent and has a short queue.
You will get wet on the Viking ride but at the end of the day there is no queue so save the wet rides to last and take spare clothes
Some of the extra stuff is worth watching/doing. The show is pretty good. Building at the technical explorers centre is excellent and the guides are always happy to see you.
You won’t get into the laser quest Egyptian ride unless you go straight there. The smaller ride next to it is pretty good for small kids.
Avoid the spider ride if you get dizzy easily!
Build a huge tower in the large tent of lego by miniworld.
The queue out isn’t as bad as it seems, wave if you see a yellow tandem!