Monster Jam El Toro Loco
42135-1 Technic 2022 247 parts 3.2% catalog rarity Easy
The LEGO Technic Monster Jam El Toro Loco (42135-1) set constructs the monster truck using 247 pieces. This model features recognizable horns, a nose ring, teeth, and fire graphics, replicating the El Toro Loco vehicle. A pull-back motor, a core Technic function, allows for racing or launching over ramps. This set offers a 2-in-1 build; it rebuilds into a Rock Racer. The Rock Racer provides an alternate vehicle, featuring an authentic safety cage in its cab, demonstrating Technic building.
42135-1
3D build progress
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Parts Inventory
Showing the first 12 rows of the parts list (247 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 8× | €0,29 | |
| 2× | Check price → View | |
| 2× | €0,38 | |
| 2× | €0,38 | |
| 1× | €7,73 | |
| 4× | €0,08 | |
| 4× | €0,05 | |
| 4× | €0,05 | |
| 2× | €0,23 | |
| 2× | €0,23 | |
| 2× | Check price → View | |
| 2× | €0,39 |
Catalog rarity
How common are the parts in Monster Jam El Toro Loco?
2 of 62 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
6.5%
All sets
6.7%
Least common in our catalog
More Technic sets
Browse more LEGO Technic sets related to Monster Jam El Toro Loco, including models from 2022 and other sets in the same theme.
Build DNA
Parts inventory insights for Monster Jam El Toro Loco
247 pieces puts this build -62% against the average Technic set and -57% against the average 2022 release.

Vs average Technic set
Average Technic set: 652 pieces across 454 other sets.
Vs average 2022 set
Average 2022 set: 581 pieces across 467 other sets.
Color profile
Dominant color
Black
Unique parts
4.7 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot
28xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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