Rare Signed LEGO House Exclusive – LEGO Set 40505 “Building Systems” – Autographed by Designers Stuart Harris & Markus Rollbühler This is a unique collector’s item: LEGO House exclusive set 40505 – Building Systems, signed by two of the creative minds behind its design – Stuart Harris (LEGO House Master Builder) and Markus Rollbühler (LEGO Designer). Released in 2024 as part of the LEGO House exclusive series, set 40505 pays tribute to the core LEGO building systems – System, DUPLO, Technic, and more – capturing the essence of creativity and engineering that LEGO is known for. This set is only available at the LEGO House in Billund, Denmark, making it highly sought after by collectors and fans alike. Box in very good condition