Mark your calendars for July 11 and 12, because the BrickUniverse Lego Fan Convention is taking over the Greensfelder Complex in St. Louis. 

There will be thousands of LEGO enthusiasts coming together to celebrate master builders and share their love for all things LEGO.

One of the jaw-dropping displays is an 8-foot high model of the Woolworth Buidling in NYC made by rofessional LEGO artist Jonathan Lopes. The builder is traveling all thw way from San Diego to showcase more than 30 of his displays. Lopes will be accompanied by Chicago-based Lego artist Rocco Buttliere who will bring more than 50 models of world-famous landmarks, such as the Burj Khalifa and Westminster Palace.

According to Fox 2 Now, other convention attractions include:

LEGO Friends Building Area: tons of LEGO Friends bricks to built with
Big Brick Building: younger visitors can explore imagination through building with larger LEGO Duplo bricks
LEGO Retail: purchase LEGO merchandise and goodies
Star Wars Zone: build spaceships and more with thousands of LEGO STAR WARS themed bricks
The Building Zone: thousands of bricks laid out for attendees to build with
Organizers expect the convention to sell out. Tickets are available here.