The LEGO Ninjago Masters of Spinjitzu 70638 Katana set is a retired collection that is sealed, making it a highly sought-after item for fans and collectors. With 257 pieces and featuring the character Katana from the Spinjitzu Masters subtheme, this set is perfect for children aged 7-14 who enjoy building and creating their own LEGO adventures. The set includes a complete Katana V11 model, measuring 398mm in length, 280mm in height, and 199mm in width, all made from durable plastic material. This set, released in 2018, is a must-have for any LEGO enthusiast looking to expand their collection with a classic NINJAGO set.