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Set 42050 Drag Racer
Technic

Drag Racer

The Technic Drag Racer (42050) is a compact 647-piece racer that actually moves under a rubber-band motor. Oversized rear tyres, an exposed engine block and a low, stretched body give it the classic dragster silhouette. With no minifigures included, the focus sits entirely on mechanics and function.

Set number
42050
Year
2016
Pieces
647
Minifigures
0
Theme
Technic
Different parts
113
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 113

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (10)

These extra parts come with the set in case one gets lost.

Description

Power without a motor

Instead of an electric motor, the Drag Racer runs on a rubber band: pull the car back, the band tensions inside the chassis, and releasing it sends the model shooting forward. This simple, robust drivetrain is common in smaller Technic sets and makes the model playable the moment the build is finished, with no batteries or app required. The mechanism sits compactly between the oversized rear wheels that give the dragster its distinctive stance.

Classic dragster proportions

Long, narrow body, tiny front wheels and huge rear tyres: the Drag Racer copies the proportions of a real quarter-mile racer at model scale. The colour mix of black, light bluish grey, blue and red picks out the engine block, roll cage and body panels, keeping the mechanical elements visually readable rather than fully covered up. Leaving the internals exposed is a deliberate choice in Technic sets at this level, turning the mechanism itself into part of the display.

A second model from the same parts

As with many Technic sets, the instructions include a second, alternate vehicle that can be rebuilt from the same 647 pieces without buying anything extra. That extends the building time well beyond the main model and shows how flexible the parts selection really is. Both versions keep the same black, light bluish grey, blue and red colour scheme, so the rebuild still looks like it belongs to the same set. Builders who prefer designing their own vehicles can use the parts list on this page to see exactly which connectors, axles and pins the set includes.

113 distinct elements

Of the 647 pieces, 113 are distinct elements, a low ratio that is typical for Technic sets, since axles, pins and connectors appear in large quantities but few variations. That makes the build somewhat more repetitive than a themed set full of specialised parts, but it leaves plenty of general-purpose Technic pieces available afterwards for original builds. The parts list on this page breaks down every element by colour and quantity.

FAQ

How does the Drag Racer move without a motor?
A rubber band tensioned inside the chassis drives the rear wheels: pull it back, let go, and it shoots forward.
Does this set include a second model?
Yes, the instructions cover an alternate vehicle built from the same 647 pieces.
Are there minifigures in the set?
No, the Drag Racer is a pure Technic function model with no minifigures.

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