LEGO 71851
Kai's Dragon Mech Battle Pack

LEGO 71851 Kai's Dragon Mech Battle Pack box image
Set number
71851
Theme
Ninjago
Pieces
85 pcs
Year
2026
Lowest new price¥1,210〜Used avg¥793as of 7/23
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“Kai's Dragon Mech Battle Pack” is LEGO® “Ninjago” theme set number 71851. Released in 2026, it has 85 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 31 types

Color split (most first)
Red×17
Dark Red×10
Black×10
Dark Bluish Gray×9
Pearl Gold×9
Trans-Orange×6
Orange×5
Light Bluish Gray×4
Main parts (most used first)
35480 Plate Special 1 x 2 Rounded with 2 Open Studs
Dark Red · ×8
14419 Plate Special 1 x 2 with 5.9mm Towball Socket and Towball
Dark Bluish Gray · ×4
14704 Plate Special 1 x 2 5.9mm Centre Side Towball Socket
Light Bluish Gray · ×4
16770 Creature Body Part, Barb Large (Claw, Talon) with Clip
Pearl Gold · ×4
21459 Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]
Pearl Gold · ×4
24246 Tile Round 1 x 1 Half Circle
Red · ×4
53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Black · ×4
22388 Slope 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]
Trans-Orange · ×3
15068 Slope Curved 2 x 2 x 2/3
Red · ×2
15571 Slope 45° 2 x 1 Triple with Inside Stud Holder
Red · ×2
22890 Plate Special 1 x 2 with End Towball
Dark Bluish Gray · ×2
27261 Plate Special 2 x 3 with Rocks
Red · ×2
3069b Tile 1 x 2 with Groove
Trans-Orange · ×2
3660 Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
Red · ×2
38547pat0002 Creature Body Part, Dragon / Thestral Wing with Bar Connection and Marbled Bright Light Orange Pattern
Red · ×2
41682 Bracket 2 x 2 with 1 x 2 Vertical Studs
Black · ×2
44861 Plate Special 1 x 2 [Open O Top Clip]
Black · ×2
48336 Plate Special 1 x 2 [Side Handle Closed Ends]
Red · ×2
60897 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Orange · ×2
99780 Bracket 1 x 2 - 1 x 2 Inverted
Orange · ×2
11476 Plate Special 1 x 2 with Clip Horizontal on Side
Dark Red · ×1
14769pr0027 Tile Round 2 x 2 with Gold Dragon Head on Dark Blue Background print
Pearl Gold · ×1
27167 Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor)
Dark Red · ×1
3170 Plate Special 1 x 2 with 2 End Towballs
Black · ×1

More “Ninjago” theme sets

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