The NIB LEGO 42165 Technic Mercedes AMG F1 W14 Pull-Back Car is a 240-piece set that allows builders ages 7 and up to create a detailed replica of the Mercedes-AMG F1 W14 E Performance car. With a focus on cars and a brand new box, this complete set from LEGO's Technic theme offers hours of fun and creativity for young enthusiasts. The set includes all the necessary pieces to build a realistic model, complete with a pull-back feature for added excitement.