The LEGO Nexo Knights Tech Wizard Showdown set (72004) is a popular building toy from 2018 that offers 506 pieces for assembly. This set, part of the NEXO KNIGHTS theme, features a Knight character and is suitable for ages 7 and up. While this listing may include pieces that are incomplete or missing, the set is still sold as pictured, allowing fans and collectors to potentially use their own resources to complete the builds. Perfect for LEGO enthusiasts looking to expand their collection with a challenging and engaging set from the Nexo Knights series.