"I went to Legoland last week. People were lined up…

“I went to legoland last week and it was packed. People were lined up for blocks” was posted on Twitter by “my puns have a Claus and effect” on November 8, 2018. Legos are (usually) block-like toys; Legoland is a Lego theme park chain.

“I am going to a Legoland convention tomorrow. Huge crowd. People will be lined up for blocks” was posted on Twitter by Shane Bloeser on November 9, 2018. “I went to Legoland last week. People were lined up for blocks” was posted on Reddit—Dad Jokes on December 11, 2018. Authorship of the joke is uncertain.

“A small meteorite is reportedly headed for Legoland. The damage is expected to be 50 square blocks” and “The Lego store has finally reopened. People are lined up for blocks” are similar jokes.

Wikipedia: Lego
Lego (Danish: [ˈleːɡo]; stylised as LEGO) is a line of plastic construction toys that are manufactured by The Lego Group, a privately held company based in Billund, Denmark. The company’s flagship product, Lego, consists of colourful interlocking plastic bricks accompanying an array of gears, figurines called minifigures, and various other parts

Wikipedia: Legoland
Legoland (trademark in uppercase as LEGOLAND) is a chain of family theme parks, which has its main focus on the toy Lego. They are not fully owned by The Lego Group itself; rather they are owned and operated by the British theme park company Merlin Entertainments.

Twitter
my puns have a Claus and effect
@Trilliam_Yeats
I went to legoland last week and it was packed.
People were lined up for blocks.
6:51 PM - 8 Nov 2018 from Pittsburg, CA

Twitter
Shane Bloeser
@ShaneBloeser
Replying to @SaraSmallTV @visitmusiccity and 2 others
I am going to a Legoland convention tomorrow. Huge crowd. People will be lined up for blocks
8:32 AM - 9 Nov 2018

Twitter
John London
@jlondon8932
I went to Legoland this morning. People were lined up for blocks!
6:49 PM - 10 Nov 2018

Twitter
Heisman U
@1soonernut
I went to LegoLand last weekend.
People were lined up for blocks.
9:31 PM - 12 Nov 2018

Reddit—Dad Jokes
I went to Legoland last week (self.dadjokes)
submitted December 11, 2018 by HeartBreakKid99
People were lined up for blocks