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(Pocket-lint) - Lego Hidden Side is a range of Lego sets that, as the name suggests, features a hidden element to them. No, it's not a minifig hidden in a cupboard, but virtual ghosts and ghouls that are only revealed when seen through your smartphone.

That's right, Lego has embraced the world of augmented reality and created a number of sets that come to life as long as you've got the right technology.

The accompanying app offers a series of puzzles, the chance to see a virtual world and, when you can take the set with you, the opportunity to carry on playing on the go. There are two game modes including "Play as a Hunter" mode, where the aim is to catch ghosts in competition against other players either online or in the same room, and a "Play as a Ghost" mode (coming 2020) where kids can join two other online ghost players with the aim of haunting LEGO Hidden Side sets and hiding from a player-controlled ghost hunter.

Here we explore Lego's Hidden Side range, what's available, and show the best prices to buy it. 

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70418 J.B.'s Ghost Lab


All good ghostbusting stories have to have a lab in which your eminent professor can work from and this is the starting point for the Hidden Side universe. Called J.B's Ghost Lab, it's an entry-level set that features a couple of minifigs, a "de-haunting" chamber and token pizza to munch on why you work out what to do next.

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Jack's Beach Buggy

This simple to build buggy features springs to give the vehicle extra bounce, a mutant two headed haunted minifig, and a petrol pump to fill up with gas. 

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70419 Wrecked Shrimp Boat


Set in the fictional town of Newbury, this set features a shrimp boat, canoe, and ghost crocodile. The shrimp boat splits in two and you get the two main characters of Hidden Side; Parker and Jack. In the augmented reality world, the boat floats on a lake.

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70420 Graveyard Mystery


This spooky set features a haunted tree and grave that opens up to reveal a skeleton. Interacting with the graveyard statues reveals new missions in the app and with moveable arms, the tree can come to life too.

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Welcome to the Hidden Side

Haunted trees feature heavily in the Hidden Side, and this set allows you to create the gateway to Hidden Side with creepy siders to boot. 

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70421 El Fuego's Stunt Truck


If graveyards and shrimp boat wrecks are too reminiscent of 1980 horror movies on the Maine coast, then you could opt for a more "petrol fuelled" experience with the Stunt Truck. You actually get two vehicles in this set. A three-wheeled motorcycle is the vehicle for a ghost, while the good guys can jump in the souped-up pickup truck complete with working canon.

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70422 Shrimp Shack Attack


If you've got a shrimp boat, you need a shrimp shack to sell the catch. This set, which sits in the middle of the Hidden Side range, features a diner for you to play out the ghost-catching games found in the accompanying AR app.

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El Fuego’s Stunt Plane

In 2019 El Fuego had a stunt truck. In 2020 he gets a Stunt Plane to control. This 295 Lego piece set come with three minifigs, including El Fuego himself and Spencer the ghost dog. 

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Newbury Subway

Newbury might be set in the countryside, but that hasn't stopped Lego from creating a city subway station for it, yeah we're not sure behind the logic either. Still this Lego set comes complete with a haunted workman minifig. 

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70423 Paranormal Intercept Bus 3000


The most iconic Hidden Side set is the battle-ready school bus that features a slide-out ghost hunting lab and a number of minifigs including possessed road workers and their monster toilet. As with the other sets, there is a boss ghost to find and defeat and when you aren't playing with the AR app you'll enjoy driving your minifigs to school, imaginary or not.

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70424 Ghost Train Express


Hogwarts has a train so why not Newbury High? This American-style express train sees the cab turn from innocent-looking train to a glow in the dark monster train, but it also comes with a portable lab and mini platform waiting room to complete the set. But you will need more Lego train track if you're planning to take a journey anywhere.  

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70425 Newbury Haunted High School


The "hero" set of the Hidden Side range, this haunted high school set features 1,474 pieces, seven minifigs and a miniature "ghost" dog. The set changes into a huge possessed school with a flick of a few switches and a pull of a few levers and will entertain both with and without the apps. Look around the back at you'll find the school includes a hidden chamber, bus station out front, computer lab, library, bathroom, chemistry room and bell tower.

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Haunted Fairground

Another 2020 set, Haunted Fairground takes the premise that no horror story is truly complete without a clown, and that's exactly what this set delivers. It comes with fairground rides, five minifigs including too scary clowns to play with. 

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Lighthouse of Darkness

New for 2020 and keeping with the seaside theme; why are so many of the 1980s horror movies set in Maine or on the north east coast of America? The Lighthouse of Darkness is a 540 Lego piece set that features a lighthouse keeper, pier, and a skeleton in the closet. There's a jet-ski included, but you just know that this would and the Wrecked Shrimp Boat set would make a perfect match. 

Writing by Stuart Miles.