Technic

Mercedes-AMG F1 W14 Pull-Back

A pocket-sized F1 car that actually rips across the floor.

Brick Rated Score

3.7/5

Set 42165 · 2024

Pieces240

Minifigsn/a

Year2024

Set number42165

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The verdict

I built this one in an afternoon and immediately regretted building it on hardwood instead of carpet, because the pull-back motor sends it flying.

This is not a display Technic set with pistons and steering geometry, it is a toy first and a model second, and once I accepted that I had a much better time with it. It is the right pick for a young racing fan or anyone who wants a quick, satisfying build without committing a whole weekend. If you want the engineering flex of a big-ticket Technic supercar, this small W14 will feel thin by comparison.

Best for: kids and casual F1 fans who want a fast toy build over a display piece

The full review

What it is

The Mercedes-AMG F1 W14 Pull-Back is part of LEGO Technic's small pull-back racer lineup, sitting alongside other single-car sets built around the same pull-and-release motor. I like what this line is trying to do. Instead of asking a kid to sit through hours of Technic pin-and-axle assembly, it gets you to a car you can actually race across the kitchen floor in under an hour. The silver and teal Mercedes livery translates surprisingly well onto the compact shell, and the wheel arches and front wing details do enough to make it read as an F1 car at a glance rather than a generic wedge.

The catch

Where I have to be honest with you is the build itself. This is a toy mechanism wrapped in a light panel job, not a scaled-down engineering exercise. There's no steering function, no suspension, nothing that rewards a builder who wants to understand how the parts move together, because the whole point is the pull-back drivetrain under the hood. The stickers on the curved nose and side panels are also a bit of a pain, small and easy to place crookedly, and once it's built there isn't much reason to take it apart again. For a set carrying the Technic name, some reviewers felt it was thin on what makes Technic distinct.

Who it's for

I'd hand this to a kid who loves F1 or wants something they can actually play with, not just look at, and I'd steer bigger Technic fans looking for a real engineering challenge toward one of the larger supercar sets instead. As a quick weekend build or a stocking-stuller for a racing-mad ten-year-old, it does its job and does it with a smile.

The parts story

What the build is actually like, and the pieces worth knowing about.

Assembly is short and modular, the pull-back motor unit goes together first as its own compact block, then the bodywork panels clip on around it, and the whole thing is done well before you'd finish a coffee. There's satisfaction in watching a simple chassis take clear F1 shape so quickly, but there's very little of the connector-and-axle puzzle-solving that usually makes Technic builds feel clever.

The standout here is the pull-back motor itself, a compact geared mechanism that stores energy on the pull and releases it in a genuinely quick, straight sprint, more fun in practice than the piece count would suggest. The silver, black and teal panel pieces nail the W14's real livery well enough to be recognizable, and the small wheels and low, wide stance sell the F1 silhouette. There isn't a big rare or printed part to chase here, this is a set about the mechanism and the shape, not about hunting for a new mold.

Fun facts

01The set is modeled on the Mercedes-AMG F1 W14, the car Lewis Hamilton and George Russell raced for the Mercedes team in the 2023 Formula 1 season.
02It's part of a wider LEGO Technic pull-back racer line that reimagines real motorsport machines as small, motor-free toy cars driven purely by a wind-up pull-back mechanism.
03At 240 pieces it's built for a single-session build, aimed squarely at younger builders and F1 fans rather than adult Technic collectors chasing function-heavy models.