The LEGO TECHNIC Mobile Crane (8421) is a detailed set released in 2005 under the TECHNIC theme. This set, with a total of 1884 pieces, allows builders to create a mobile crane with a height of 3.8 inches, length of 25.7 inches, and width of 18.9 inches. Designed for children aged 11-16 who have an interest in vehicles and construction, this set offers a challenging and rewarding building experience for LEGO enthusiasts. With the iconic LEGO brand and specific set details, this product is sure to provide hours of entertainment for young builders. Some wear to box upon delivery.