Command the Monster Jam arena with the LEGO Technic Monster Jam Dragon (42149-1), a 217-piece model built for action. This pull-back truck showcases dragon details such as spikes and horns, capturing the vehicle's aggressive character. Its colors and graphics replicate the Monster Jam truck's appearance, ready for stunts and play. For an alternate build, the Monster Jam Dragon transforms into a Crocodile Buggy. The integrated pull-back mechanism propels the vehicle for racing and trick reenactments, introducing fundamental engineering principles.
Parts Inventory
| Part | Qty |
|---|---|
 Sticker Sheet for Set 42149-1 10102450 | 1× |
 Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214 | 2× |
 Technic Panel Fairing #21 5L Small Smooth, Side B 11946 | 1× |
 Technic Panel Fairing #22 5L Small Smooth, Side A 11947 | 1× |
 Pullback Motor 6 x 3 x 5 12799 | 1× |
![Technic Pin Connector Round 1L [Beam]](https://cdn.rebrickable.com/media/parts/elements/6121485.jpg) Technic Pin Connector Round 1L [Beam] 18654 | 6× |
 Technic Panel Fairing #7 3L Very Small Smooth, Side A 2387 | 2× |
 Technic Panel Fairing #8 3L Very Small Smooth, Side B 2389 | 2× |
 Technic Beam 1 x 7 Thick with Alternating Holes 2391 | 4× |
 Technic Panel Fairing #9 Medium Triangle Smooth 2395 | 1× |
Showing 10 of 53 parts
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Parts inventory insights for Monster Jam Dragon
217 pieces puts this build -67% against the average Technic set and -62% against the average 2023 release.
Vs average Technic set
Average Technic set: 648 pieces across 450 other sets.
Vs average 2023 set
Average 2023 set: 577 pieces across 506 other sets.
Color profile
Dominant color
Black
Unique parts
4.3 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin with Friction Ridges Lengthwise with No Center Slots
38xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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