---
product_id: 262368145
title: "Technic McLaren Senna GTR 42123 Building Blocks Toy Car Set; Toys for Boys, Girls, and Kids (830 Pieces)"
brand: "lego"
price: "€ 93.68"
currency: EUR
in_stock: true
reviews_count: 13
category: "Lego"
url: https://www.desertcart.ie/products/262368145-technic-mclaren-senna-gtr-42123-building-blocks-toy-car-set
store_origin: IE
region: Ireland
---

# Authentic V8 engine with moving pistons Iconic dihedral doors 830 precision pieces Technic McLaren Senna GTR 42123 Building Blocks Toy Car Set; Toys for Boys, Girls, and Kids (830 Pieces)

**Brand:** lego
**Price:** € 93.68
**Availability:** ✅ In Stock

## Summary

> 🏎️ Own the legend: Build, steer, and flaunt the McLaren Senna GTR experience!

## Quick Answers

- **What is this?** Technic McLaren Senna GTR 42123 Building Blocks Toy Car Set; Toys for Boys, Girls, and Kids (830 Pieces) by lego
- **How much does it cost?** € 93.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/262368145-technic-mclaren-senna-gtr-42123-building-blocks-toy-car-set)

## 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

- • **Interactive Steering:** Take control with a functional steering wheel on top, making your model as dynamic as it looks.
- • **Masterpiece in Motion:** Build a stunning McLaren Senna GTR with 830 detailed pieces that bring motorsport passion to life.
- • **Engineered for Realism:** Experience the thrill of a working V8 engine with moving pistons—LEGO precision meets supercar authenticity.
- • **Iconic Design Elements:** Open the signature dihedral doors that swing up and out, just like the real McLaren Senna GTR.
- • **Display-Worthy Collectible:** A perfect centerpiece for any motorsport enthusiast’s collection, blending play and prestige.

## Overview

The LEGO Technic McLaren Senna GTR 42123 is an 830-piece building set designed for ages 10 and up, featuring a highly detailed V8 engine with moving pistons, iconic dihedral doors, and functional steering. This model captures the essence of the real McLaren Senna GTR, offering both an engaging build and a striking display piece for supercar fans and collectors alike.

## Description

Buy LEGO Technic McLaren Senna GTR 42123 Building Blocks Toy Car Set; Toys for Boys, Girls, and Kids (830 Pieces) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: It is more than I expected - It is more than I expected. The size of the car is good. It took me 9 hours to build it .But the detailing of the interior could have been better and there could have been shock absorbers (suspension) on the car
Review: Amazing Lego model - I loved it 🤩 - The product is amazing and my son really liked it. Awesome 👏

## Features

- A stunning build for supercar fans, the LEGO Technic McLaren Senna GTR 42123 model building kit is packed with realistic details inspired by the iconic original.
- Check out this supercar toy model’s authentic features, like the detailed V8 engine with moving pistons and dihedral doors that open ‘up and out’ in the unmistakable style of the real McLaren.
- Enjoy steering the McLaren toy car using the wheel on top.
- Looking for the best gift ideas for a motorsports fan or supercar lover? This set makes a great choice for kids aged 10 and up who’d love to build and display their own McLaren racing car.
- This awesome track-focused supercar toy model looks great on display and is sure to capture the imagination of any kid or adult with a passion for supercars, motorsports and McLaren.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08G4293BD |
| Assembly Required | Yes |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #29,116 in Toys ( See Top 100 in Toys ) #1,470 in Toy Building Sets |
| Color | Multicolor |
| Customer Reviews | 4.8 4.8 out of 5 stars (13,406) |
| Date First Available | 31 August 2020 |
| Educational Objective(s) | Team Building Skills |
| Item model number | 42123 |
| Language | Danish, English, French, German |
| Manufacturer recommended age | 3 years and up |
| Manufacturer's Suggested Maximum Weight | 20 Milligrams |
| Material Type(s) | Plastic |
| Number of Puzzle Pieces | 830 |
| Product Dimensions | 7.05 x 38.2 x 26.2 cm; 980 g |
| Release date | 1 January 2021 |
| Remote Control Included? | No |

## Images

![Technic McLaren Senna GTR 42123 Building Blocks Toy Car Set; Toys for Boys, Girls, and Kids (830 Pieces) - Image 1](https://m.media-amazon.com/images/I/71qjjMZVp9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It is more than I expected
*by R***U on 4 August 2022*

It is more than I expected. The size of the car is good. It took me 9 hours to build it .But the detailing of the interior could have been better and there could have been shock absorbers (suspension) on the car

### ⭐⭐⭐⭐⭐ Amazing Lego model - I loved it 🤩
*by V***I on 22 May 2023*

The product is amazing and my son really liked it. Awesome 👏

### ⭐⭐⭐⭐⭐ Amazing
*by A***T on 28 June 2021*

Was really fun building this McLaren Lego car! A bit challenging, but totally worth the effort! Can be done in one day (3-4 hours) if you focus on it! Has a lot of super tiny parts, so careful if you have young kids around.

## 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

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-16*