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Note: This item is new in box. - It is unopened in the original box. If it is an older set, there may be some wear on the box, but otherwise, it should be new.
This is a retired set. The price will reflect the current value of this item.
This LEGO Hidden Side Mystery Castle (70437) playset combines a buildable LEGO model with an app, so interaction with the model triggers events in a digital world. The mystery castle springs to life when viewed through a smart device with the LEGO Hidden Side AR app.
