--- product_id: 262125704 title: "Technic McLaren Senna GTR 42123 Model Building Kit; A Great Gift for Kids, Teens and Adults Who Love Supercar Toys, Racing Cars and Collectible Display Vehicles (830 Pieces)" brand: "lego" price: "AR$464190" currency: ARS in_stock: true reviews_count: 13 category: "Lego" url: https://www.desertcart.com.ar/products/262125704-technic-mclaren-senna-gtr-42123-model-building-kit-a-great store_origin: AR region: Argentina --- # signature dihedral doors working V8 engine pistons 830 precision pieces Technic McLaren Senna GTR 42123 Model Building Kit; A Great Gift for Kids, Teens and Adults Who Love Supercar Toys, Racing Cars and Collectible Display Vehicles (830 Pieces) **Brand:** lego **Price:** AR$464190 **Availability:** ✅ In Stock ## Summary > 🏁 Build Speed, Power & Prestige — Own the Legend! ## Quick Answers - **What is this?** Technic McLaren Senna GTR 42123 Model Building Kit; A Great Gift for Kids, Teens and Adults Who Love Supercar Toys, Racing Cars and Collectible Display Vehicles (830 Pieces) by lego - **How much does it cost?** AR$464190 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/262125704-technic-mclaren-senna-gtr-42123-model-building-kit-a-great) ## Best For - lego enthusiasts ## Why This Product - Trusted lego brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **STEM Meets Style:** Build your engineering skills with a challenging yet rewarding kit that sharpens problem-solving and hand-eye coordination. - • **Iconic Dihedral Doors:** Open the unmistakable 'up and out' doors for that true McLaren flair—guaranteed to turn heads on display. - • **Dynamic Mechanical Realism:** Experience the thrill of a working V8 engine with moving pistons that mimic real supercar mechanics. - • **Collector’s Dream Display:** A stunning, multicolor model that commands attention—perfect for your desk, shelf, or racing car collection. - • **Precision Engineering Masterpiece:** 830 intricately designed LEGO pieces bring the McLaren Senna GTR to life with authentic details. ## Overview The LEGO Technic McLaren Senna GTR 42123 is an 830-piece model kit designed for ages 10 and up, featuring authentic supercar details like a working V8 engine with moving pistons and signature dihedral doors. This collectible set blends advanced engineering with stunning aesthetics, making it a perfect gift for car enthusiasts and LEGO fans eager to showcase a true racetrack icon. ## Description LEGO Technic McLaren Senna GTR 42123 Model Building Kit; A Great Gift for Kids, Teens and Adults Who Love Supercar Toys, Racing Cars and Collectible Display Vehicles (830 Pieces) : LEGO: desertcart.co.uk: Toys & Games Review: great car once finished - great for lego and car fans! easy to build and great present Review: Tricky for age group but looks great made up - Great car, definitely needs to be 10+ lots of small fidley bits that need small fingers. Some adult help need for instructions but looks amazing when complete. ## Features - Features a McLaren Senna toy racing car for kids, a true racetrack icon's authentic replica and LEGO Technic version of McLaren’s show-stopping supercar - Ultimate speed; Supreme power; Breathtaking good looks; This collectable McLaren toy car features eye-catching graphics, colours & details - Check out the detailed V8 engine with moving pistons and dihedral doors that open ‘up and out' in the unmistakable style of the real McLaren - Build all the realistic features and beautiful design details, then display your car to attract admiring glances from everyone who passes - LEGO Technic model car building kits feature realistic movement and mechanisms that introduce young builders to the universe of engineering - This LEGO toy sports car building set is an impressive Christmas gift for a son or daughter, or birthday present for 10+ year old kids, boys and girls who love sports cars and LEGO building toys ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08G4293BD | | Age Range Description | 10 year + | | Best Sellers Rank | 60,569 in Toys & Games ( See Top 100 in Toys & Games ) 1,718 in Toy Building Sets | | Brand Name | LEGO | | Colour | Multicolor | | Customer Reviews | 4.8 4.8 out of 5 stars (13,683) | | Educational Objective | Creative Thinking, Divergent Thinking, Hand-Eye Coordination, Problem Solving Skills | | Global Trade Identification Number | 05702016913330 | | Included Components | LEGO Technic McLaren Senna GTR Toy Sports Car 42123 | | Is Assembly Required | Yes | | Item Dimensions | 7 x 38.2 x 26.2 centimetres | | Item Type Name | Building set | | Item Weight | 980 Grams | | Manufacturer | LEGO | | Manufacturer Part Number | 42123 | | Manufacturer Warranty Description | If your new LEGO set is missing parts or has faulty partsLEGO System A/S will replace these parts free of charge through our Bricks & Pieces service. We strive to make this free replacement available in all countriesbut reserve the right to change the availability of the Bricks & Pieces service at any time without prior notice. | | Material Type | Plastic | | Maximum Age Recommendation | 1188 | | Minimum Age Recommendation | 120 | | Model Name | LEGO Technic McLaren Senna GTR Toy Sports Car 42123 | | Model Number | 42123 | | Model Year | 2021 | | Number of Pieces | 830 | | Power Source | Hand-operated | | Size | Unique waist | | Special Features | The LEGO® Technic model kit "McLaren Senna GTR | | Sub Brand | McLaren | | Subject Character | McLaren Senna | | Target Audience | boy, girl | | Theme | Robots & STEM | | Toy Building Block Type | Interlocking Toy Building Block | | Unit Count | 830.0 count | ## Product Details - **Brand:** LEGO - **Cartoon character:** McLaren Senna - **Colour:** Multicolor - **Educational objective:** Creative Thinking, Divergent Thinking, Hand-Eye Coordination, Problem Solving Skills - **Manufacturer Minimum Age (MONTHS):** 120 - **Material:** Plastic - **Number of pieces:** 830 - **Special feature:** The LEGO® Technic model kit "McLaren Senna GTR - **Sub brand:** McLaren - **Theme:** Robots & STEM ## Images ![Technic McLaren Senna GTR 42123 Model Building Kit; A Great Gift for Kids, Teens and Adults Who Love Supercar Toys, Racing Cars and Collectible Display Vehicles (830 Pieces) - Image 1](https://m.media-amazon.com/images/I/91zTz4-nxJL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ great car once finished *by A***A on 7 January 2026* great for lego and car fans! easy to build and great present ### ⭐⭐⭐⭐⭐ Tricky for age group but looks great made up *by S***E on 12 August 2025* Great car, definitely needs to be 10+ lots of small fidley bits that need small fingers. Some adult help need for instructions but looks amazing when complete. ### ⭐⭐⭐⭐⭐ Complex enough to be a challenge, but a sensible time to build *by J***S on 22 August 2021* I'd say this kit hits the sweet spot of a decent price, a complex enough kit to be interesting and a sensible amount of time to build. The beautiful technic car kits at north of £100-200 are magnificent pieces of work, but they are also a significant financial and time commitment. This one is a generation ahead of the £18 Speed Champions kits, but only costs twice as much, so you get much more for your money. There are some nice touches like steering and an animated V8 engine, but it doesn't extend to proper gearbox, differential and suspension like the top kits do. That said it's a great medium level kit and very good looking when complete and looks something roughly like 1/12 scale, so it doesn't take up as much shelf space as the really big car kits. ## Frequently Bought Together - LEGO® Technic McLaren Senna GTR™ 42123 Toy Car Model Building Kit; Build and Display an Authentic McLaren Supercar - LEGO Technic Bugatti Bolide Racing Car Building Set - Model and Race Engineering Toy for Back to School, Collectible Sports Car Construction Kit for Boys, Girls, and Teen Builders Ages 9+, 42151 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/262125704-technic-mclaren-senna-gtr-42123-model-building-kit-a-great](https://www.desertcart.com.ar/products/262125704-technic-mclaren-senna-gtr-42123-model-building-kit-a-great) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-20*