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4 Episodes 2017 - 2017
Episode 1
48 mins
The competition begins with the auditions. 48 teams are whittled down to just 8 via a series of challenges including making a brick banquet. Structural engineer Roma Agrawal is the guest judge.
Episode 2
48 mins
The teams compete in two challenges on the theme of movement. In the first they must build a funfair and in the second each constructs a different mode of transport.
Episode 3
48 mins
The remaining five teams head to the great outdoors, competing to build the best nature display for a nature walk in an Essex wood - including a Madagascan crocodile.
Episode 4
48 mins
It is the final stage of the Lego building competition and the three remaining teams are challenged to bring to life a child's story. The final two will take part in a mega build that will go on public display.