Structural integrity and beauty come together in the most earth-shattering challenge, as teams build a structure strong enough to withstand an earthquake; which designs perform the best and pass the LEGO "brickter scale" rating system.

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The talented teams are introduced and tasked with building an eye-catching float in the first-ever LEGO Day Parade.

As the competition heightens, the remaining contestants are expected to raise the stakes and elevate their work - quite literally - when the teams are tasked with building a beautiful structure in mid-air. Building tables will be removed from the LEGO workspace and duos will be challenged to create a build of their choosing from the foundation of one floating LEGO technic brick. Discover who will take LEGO to new heights.

The teams must build a gravity-defying castle off a giant LEGO cliff.

Teams put a stunt "minifigure" to the test in an explosive stunt action scene. The duos must craft an immersive build filled with slime, water, glitter and colored dust to create the ultimate action movie moment.

This week's challenge is the ultimate test in ingenuity and engineering, as teams will create incredible and wearable hats made entirely of LEGO bricks. Then, teams must model their designs on the LEGO runway, hoping their creations don't collapse into pieces.

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The remaining six duos pull all the strings as they build their very own puppets in just under 10 hours; teams collaborate with one another to bring their puppets to life in a puppet show.

The teams are challenged to take the lamest LEGO neighborhoods and create an action-packed dream house in a home renovation-inspired game.

The remaining five duos are split into individual challenges; five must build land creatures, while their partners make creations inspired by the sea.

The three remaining teams have 24 hours to make a construction that has both a day and a night look; the winner is revealed and receives the $100,000 prize.