21037 LEGO House is a 774 piece Architecture exclusive set released in 2017. It was exclusive to LEGO House gift shop in Billund, Denmark and is a model of the LEGO House in Billund, Denmark, home to the LEGO Group's headquarters. The set was only available at the LEGO House gift shop for 449 DKK (~$70 USD). The set captures the unique design of the real building, featuring 21 unique, interlocking, white bricks, the keystone brick signed by the building's architect, Bjarke Ingels, and colorful central "Experience Zones."