Rontu the Master Dragon (71842-1) is a Ninjago LEGO set released in 2025 with 381 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Ninjago sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 4 minifigures and 120 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Rontu the Master Dragon
Parts in this set
120 parts · page 1 of 3 · updating…
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Animal / Creature Body Part, Claw with Clip3171 · ×12 · Pearl Gold -
Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip)80497 · ×2 · Dark Pink -
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small53451 · ×2 · Dark Pink -
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small53451 · ×3 · Black -
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]3484 · ×2 · Pearl Gold -
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]3484 · ×1 · Dark Bluish Gray -
Bar Holder with Hole and Bar Handle23443 · ×2 · Pearl Gold -
Bracket 1 x 1 - 1 x 136841 · ×2 · Dark Blue -
Bracket 1 x 1 - 1 x 279389 · ×4 · Dark Bluish Gray -
Bracket 1 x 1 - 1 x 2 Inverted73825 · ×6 · Black -
Bracket 1 x 2 - 1 x 299781 · ×7 · Dark Blue -
Bracket 1 x 2 - 1 x 2 Inverted99780 · ×16 · Dark Tan -
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top]28802 · ×4 · Black -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×4 · Dark Bluish Gray -
Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder79180 · ×1 · Black -
Brick 1 x 13005 · ×2 · Dark Blue -
Brick 1 x 13005 · ×2 · Black -
Brick 1 x 126112 · ×2 · Dark Purple -
Brick 1 x 2 x 3 with Bottom Stud Holder22886 · ×1 · Light Bluish Gray -
Brick 1 x 33622 · ×2 · Black -
Brick 1 x 43010 · ×2 · Dark Blue -
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End47457 · ×1 · White -
Brick Round 1 x 1 Open Stud3062b · ×1 · Trans-Light Blue -
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]85080 · ×2 · Black -
Brick Special 1 x 1 with Headlight4070 · ×2 · Blue -
Brick Special 1 x 1 with Studs on 2 Sides47905 · ×1 · Dark Bluish Gray -
Brick Special 2 x 5 with Slope, Studs on Side79897 · ×2 · Dark Blue -
Chain 6L [5 Links]92338 · ×1 · Black -
Creature Body Part, Dragon Head Upper Jaw with Bright Light Yellow Eye, Dark Pink/Blue Markings print7243pr0001 · ×1 · Dark Blue -
Creature Body Part, Dragon, Wing Large5973 · ×2 · Dark Pink -
Dish 2 x 2 Inverted [Radar]4740 · ×2 · Black -
Energy Effect, Flame, Squiggly7105 · ×2 · Trans-Dark Pink -
Equipment Lantern37776 · ×1 · Pearl Titanium -
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth57360 · ×4 · Dark Bluish Gray -
Hinge Plate 1 x 2 Locking with 1 Finger On Top30383 · ×4 · Light Bluish Gray -
Launcher Trigger, Weapon Gun Trigger69755 · ×2 · Dark Bluish Gray -
Launcher, Plate Special 1 x 2 with Mini Blaster Square69754 · ×2 · Pearl Gold -
Minifig Head [Plain] [Vented Stud - 2 Holes]28621 · ×2 · Trans-Light Blue -
Plate 1 x 23023 · ×17 · Dark Pink -
Plate 1 x 23023 · ×4 · Pearl Gold -
Plate 1 x 43710 · ×2 · Dark Bluish Gray -
Plate 1 x 43710 · ×2 · Dark Blue -
Plate 2 x 122445 · ×1 · Black -
Plate 2 x 23022 · ×4 · Dark Bluish Gray -
Plate 2 x 23022 · ×6 · Dark Purple -
Plate 2 x 2 Corner2420 · ×4 · Dark Tan -
Plate 2 x 33021 · ×1 · Black -
Plate 2 x 33021 · ×2 · Dark Blue