LEGO Architecture 21063 Neuschwanstein Castle

The Neuschwanstein Castle set, releasing in 2025, offers a highly detailed build with 3,455 pieces, making it slightly more manageable for those who prefer a moderately complex project. In contrast, the Notre Dame Cathedral, released in 2024, features 4,343 pieces, providing a more extensive and intricate building experience. Both sets target adult builders aged 18 and above, fitting well within the Architecture series and focusing on iconic historical landmarks. If you prefer a larger piece count and perhaps a longer building session, Notre Dame is the better choice, whereas Neuschwanstein Castle is a newer option with a slightly lower piece count. Both sets are made from plastic and align closely in theme and build style, so your choice may come down to which landmark you find more appealing or your desired level of complexity.