The LEGO Technic Race Truck 42104-1 provides a challenging build with its 227 pieces, showcasing Technic engineering. It features a pull-back motor, propelling the truck forward for race simulations. The model includes a massive exhaust stack and a prominent rear spoiler. Opening doors and a hood reveal the engine compartment. This set also offers a 2-in-1 design; builders can transform the truck into an alternative Racer model, extending its play and display configurations.
Parts Inventory
| Part | Qty |
|---|---|
![]() Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] 11055 | 2× |
![]() Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214 | 12× |
![]() Technic Panel Fairing #21 5L Small Smooth, Side B 11946 | 2× |
![]() Technic Panel Fairing #22 5L Small Smooth, Side A 11947 | 2× |
![]() Pullback Motor 6 x 3 x 5 12799 | 1× |
![]() Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle 18651 | 4× |
![]() Technic Pin Connector Round 1L [Beam] 18654 | 4× |
![]() Technic Axle 11 23948 | 1× |
![]() Technic Panel Curved and Bent 6 x 3 24116 | 1× |
![]() Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end 25214 | 2× |
Showing 10 of 60 parts
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Parts inventory insights for Race Truck
227 pieces puts this build -65% against the average Technic set and -49% against the average 2020 release.
Vs average Technic set
Average Technic set: 646 pieces across 449 other sets.
Vs average 2020 set
Average 2020 set: 449 pieces across 450 other sets.
Color profile
Dominant color
Black
Unique parts
4 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin with Friction Ridges Lengthwise and Center Slots
28xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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![Flag 2 x 2 Square, Flat Clip Edge [Thick Clips]](https://cdn.rebrickable.com/media/parts/elements/6011794.jpg)





![Technic Pin Connector Round 1L [Beam]](https://cdn.rebrickable.com/media/parts/elements/6100030.jpg)


