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Melvin Odoom presents a fresh run of the contest to find Britain's best amateur Lego builders, as teams aged nine and up are given access to a room full of the tiny bricks. They are .. show full overview
Melvin Odoom invites the seven remaining teams to take part in the 'Drop Test'. Using 1,000 bricks, the teams must create a structure that when dropped from height will smash to pieces. .. show full overview
The teams compete to build a hybrid land and sea animal and a life-size crazy golf feature. Comedian Chris Ramsey tees off as this episode's celebrity guest judge.
It's the semi-final. The teams create a bust of comedian Johnny Vegas. Can they capture the essence of Johnny in plastic bricks? They also build a life-size arcade game.
The four teams build a walking-talking robo-pet. There is also a Master Build using as many as half a million bricks. But who will be crowned the winner for 2018? With guest judge Sue Perkins.
Six young builders from previous shows team up with celebrities to do battle in a range of festive challenges, including Rob Beckett, Warwick Davies, Joel Dommett and Alice Perrin
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