Building Dreams!
One Brick At A Time With LEGO

Discover the magic of Rontu the Master Dragon from the Ninjago collection. Where creativity meets imagination.

Rontu the Master Dragon
LEGO® Ninjago

Rontu the Master Dragon

Set #71842

381
Pieces
2025
Year
4
Minifigures

Investment Analysis

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Complete Specifications

Theme Ninjago

Parts Parts Inventory

All 103 unique parts • Total pieces: 363

Plate 1 x 2
Plate 1 x 2
Part #: 3023 Color: Dark Pink Category: 14
17×
Bracket 1 x 2 - 1 x 2 Inverted
Bracket 1 x 2 - 1 x 2 Inverted
Part #: 99780 Color: Dark Tan Category: 9
16×
Slope Curved 2 x 1 No Studs [1/2 Bow]
Slope Curved 2 x 1 No Studs [1/2 Bow]
Part #: 11477 Color: Dark Purple Category: 37
12×
Tile 2 x 2 Curved, Macaroni
Tile 2 x 2 Curved, Macaroni
Part #: 27925 Color: Dark Purple Category: 67
12×
Animal / Creature Body Part, Claw with Clip
Animal / Creature Body Part, Claw with Clip
Part #: 3171 Color: Pearl Gold Category: 75
12×
Slope Curved 2 x 2 x 2/3
Slope Curved 2 x 2 x 2/3
Part #: 15068 Color: Dark Blue Category: 37
11×
Plate Special 1 x 1 with Vertical Tooth
Plate Special 1 x 1 with Vertical Tooth
Part #: 15070 Color: Pearl Gold Category: 9
10×
Plate Special 1 x 2 5.9mm Centre Side Towball Socket
Plate Special 1 x 2 5.9mm Centre Side Towball Socket
Part #: 14704 Color: Light Bluish Gray Category: 9
Slope Curved 2 x 2 x 2/3
Slope Curved 2 x 2 x 2/3
Part #: 15068 Color: Dark Purple Category: 37
Bracket 1 x 2 - 1 x 2
Bracket 1 x 2 - 1 x 2
Part #: 99781 Color: Dark Blue Category: 9
Plate 2 x 2
Plate 2 x 2
Part #: 3022 Color: Dark Purple Category: 14
Bracket 1 x 1 - 1 x 2 Inverted
Bracket 1 x 1 - 1 x 2 Inverted
Part #: 73825 Color: Black Category: 9
Wedge Plate 2 x 2 Cut Corner
Wedge Plate 2 x 2 Cut Corner
Part #: 26601 Color: Dark Blue Category: 49
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes
Part #: 67696 Color: Black Category: 26
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top]
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top]
Part #: 28802 Color: Black Category: 9
Plate Special 1 x 2 with 5.9mm Centre Side Towball
Plate Special 1 x 2 with 5.9mm Centre Side Towball
Part #: 14417 Color: Dark Bluish Gray Category: 9
Slope 45° 2 x 1 with 2/3 Cutout [New Version]
Slope 45° 2 x 1 with 2/3 Cutout [New Version]
Part #: 15672 Color: Dark Purple Category: 3
Plate 2 x 2 Corner
Plate 2 x 2 Corner
Part #: 2420 Color: Dark Tan Category: 14
Tile Round 1 x 1 Quarter
Tile Round 1 x 1 Quarter
Part #: 25269 Color: Dark Blue Category: 67
Plate 2 x 4
Plate 2 x 4
Part #: 3020 Color: Dark Purple Category: 14
Plate 2 x 2
Plate 2 x 2
Part #: 3022 Color: Dark Bluish Gray Category: 14
Plate 1 x 2
Plate 1 x 2
Part #: 3023 Color: Pearl Gold Category: 14
Hinge Plate 1 x 2 Locking with 1 Finger On Top
Hinge Plate 1 x 2 Locking with 1 Finger On Top
Part #: 30383 Color: Light Bluish Gray Category: 18
Tile 2 x 2 with Groove
Tile 2 x 2 with Groove
Part #: 3068b Color: Dark Tan Category: 19
Tile 1 x 1 with Groove
Tile 1 x 1 with Groove
Part #: 3070b Color: Dark Purple Category: 19
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part #: 4032a Color: White Category: 21
Technic Beam 1 x 2 Thin
Technic Beam 1 x 2 Thin
Part #: 41677 Color: Dark Bluish Gray Category: 51
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth
Part #: 57360 Color: Dark Bluish Gray Category: 18
Bracket 1 x 1 - 1 x 2
Bracket 1 x 1 - 1 x 2
Part #: 79389 Color: Dark Bluish Gray Category: 9
Slope 30° 1 x 2 x 2/3
Slope 30° 1 x 2 x 2/3
Part #: 85984 Color: Dark Purple Category: 3
Plate Special 1 x 2 with Angled Handles on Side
Plate Special 1 x 2 with Angled Handles on Side
Part #: 92692 Color: Pearl Gold Category: 9
Tile Round 1 x 1
Tile Round 1 x 1
Part #: 98138 Color: Dark Pink Category: 67
Bracket 1 x 2 - 2 x 2 Inverted
Bracket 1 x 2 - 2 x 2 Inverted
Part #: 99207 Color: Dark Bluish Gray Category: 9
Technic Brick Modified 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball
Technic Brick Modified 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball
Part #: 57909b Color: Dark Bluish Gray Category: 26
Technic Pin with Friction Ridges Lengthwise with No Center Slots
Technic Pin with Friction Ridges Lengthwise with No Center Slots
Part #: 61332 Color: Black Category: 53
Slope Curved 2 x 2 x 2/3 Inverted
Slope Curved 2 x 2 x 2/3 Inverted
Part #: 32803 Color: Dark Bluish Gray Category: 37
Tile Round 1 x 1
Tile Round 1 x 1
Part #: 98138 Color: Dark Tan Category: 67
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Part #: 53451 Color: Black Category: 75
Plate Round 1 x 1 with Open Stud
Plate Round 1 x 1 with Open Stud
Part #: 85861 Color: Dark Bluish Gray Category: 21
Plate Special 1 x 2 with End Towball
Plate Special 1 x 2 with End Towball
Part #: 22890 Color: Dark Bluish Gray Category: 9
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]
Part #: 85080 Color: Black Category: 20
Plate Round 1 x 1 with Open Stud
Plate Round 1 x 1 with Open Stud
Part #: 85861 Color: Pearl Gold Category: 21
Plate Special 1 x 2 with Clip Horizontal on Side
Plate Special 1 x 2 with Clip Horizontal on Side
Part #: 11476 Color: Black Category: 9
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
Part #: 32064a Color: White Category: 8
Plate Special 2 x 2 with Only 2 studs
Plate Special 2 x 2 with Only 2 studs
Part #: 33909 Color: Dark Blue Category: 9
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]
Part #: 3484 Color: Pearl Gold Category: 32
Weapon Chakram / Hoop Blade / Ring
Weapon Chakram / Hoop Blade / Ring
Part #: 35485 Color: Pearl Gold Category: 73
Brick 1 x 3
Brick 1 x 3
Part #: 3622 Color: Black Category: 11
Bracket 1 x 1 - 1 x 1
Bracket 1 x 1 - 1 x 1
Part #: 36841 Color: Dark Blue Category: 9
Technic Brick 1 x 2 [1 Pin Hole]
Technic Brick 1 x 2 [1 Pin Hole]
Part #: 3700 Color: Black Category: 8
Technic Brick 1 x 4 [3 Pin Holes]
Technic Brick 1 x 4 [3 Pin Holes]
Part #: 3701 Color: Dark Bluish Gray Category: 8
Technic Axle 4
Technic Axle 4
Part #: 3705 Color: Red Category: 46
Brick 1 x 1
Brick 1 x 1
Part #: 3005 Color: Dark Blue Category: 11
Plate 2 x 4
Plate 2 x 4
Part #: 3020 Color: Dark Bluish Gray Category: 14
Brick Special 2 x 5 with Slope, Studs on Side
Brick Special 2 x 5 with Slope, Studs on Side
Part #: 79897 Color: Dark Blue Category: 5
Plate 2 x 3
Plate 2 x 3
Part #: 3021 Color: Dark Blue Category: 14
Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip)
Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip)
Part #: 80497 Color: Dark Pink Category: 75
Bar Holder with Hole and Bar Handle
Bar Holder with Hole and Bar Handle
Part #: 23443 Color: Pearl Gold Category: 32
Wedge Plate 2 x 4
Wedge Plate 2 x 4
Part #: 51739 Color: Dark Blue Category: 49
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
Part #: 53451 Color: Dark Pink Category: 75
Technic Ball Joint with Through Axle Hole
Technic Ball Joint with Through Axle Hole
Part #: 53585 Color: Black Category: 26
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part #: 54200 Color: Black Category: 3
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part #: 54200 Color: Dark Blue Category: 3
Plate Round 4 x 4 with 2 x 2 Round Opening
Plate Round 4 x 4 with 2 x 2 Round Opening
Part #: 11833 Color: Black Category: 21
Creature Body Part, Dragon, Wing Large
Creature Body Part, Dragon, Wing Large
Part #: 5973 Color: Dark Pink Category: 75
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Part #: 60897 Color: Red Category: 9
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Part #: 60897 Color: Dark Purple Category: 9
Brick 1 x 12
Brick 1 x 12
Part #: 6112 Color: Dark Purple Category: 11
Plate Round 1 x 1 with Solid Stud
Plate Round 1 x 1 with Solid Stud
Part #: 6141 Color: Dark Purple Category: 21
Plate Special 1 x 2 with Clip Horizontal on End
Plate Special 1 x 2 with Clip Horizontal on End
Part #: 63868 Color: Black Category: 9
Technic Axle Pin 3L without Friction Ridges and 2L Axle
Technic Axle Pin 3L without Friction Ridges and 2L Axle
Part #: 65249 Color: Light Bluish Gray Category: 53
Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole
Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole
Part #: 66906 Color: Black Category: 53
Launcher, Plate Special 1 x 2 with Mini Blaster Square
Launcher, Plate Special 1 x 2 with Mini Blaster Square
Part #: 69754 Color: Pearl Gold Category: 68
Launcher Trigger, Weapon Gun Trigger
Launcher Trigger, Weapon Gun Trigger
Part #: 69755 Color: Dark Bluish Gray Category: 68
Energy Effect, Flame, Squiggly
Energy Effect, Flame, Squiggly
Part #: 7105 Color: Trans-Dark Pink Category: 69
Tile Round 2 x 2 with Bottom Stud Holder
Tile Round 2 x 2 with Bottom Stud Holder
Part #: 14769 Color: Dark Purple Category: 67
Tile Round 1 x 1 Quarter
Tile Round 1 x 1 Quarter
Part #: 25269 Color: Dark Bluish Gray Category: 67
Plate Angled 2 x 2 with Step and Hole in Center
Plate Angled 2 x 2 with Step and Hole in Center
Part #: 79846 Color: Dark Bluish Gray Category: 49
Plate 4 x 4 Corner
Plate 4 x 4 Corner
Part #: 2639 Color: Dark Bluish Gray Category: 14
Plate 4 x 4 Corner
Plate 4 x 4 Corner
Part #: 2639 Color: Dark Blue Category: 14
Technic Disc 3 x 3
Technic Disc 3 x 3
Part #: 2723 Color: Black Category: 26
Tile Special 2 x 2 Corner with Cut Corner - Facet
Tile Special 2 x 2 Corner with Cut Corner - Facet
Part #: 27263 Color: Dark Blue Category: 15
Wave / Power Blast Rounded Energy with Bar Handle
Wave / Power Blast Rounded Energy with Bar Handle
Part #: 27393 Color: Trans-Orange Category: 69
Minifig Head [Plain] [Vented Stud - 2 Holes]
Minifig Head [Plain] [Vented Stud - 2 Holes]
Part #: 28621 Color: Trans-Light Blue Category: 59
Brick 1 x 1
Brick 1 x 1
Part #: 3005 Color: Black Category: 11
Brick 1 x 4
Brick 1 x 4
Part #: 3010 Color: Dark Blue Category: 11
Plate 1 x 4
Plate 1 x 4
Part #: 3710 Color: Dark Bluish Gray Category: 14
Plate 1 x 4
Plate 1 x 4
Part #: 3710 Color: Dark Blue Category: 14
Brick Special 1 x 1 with Headlight
Brick Special 1 x 1 with Headlight
Part #: 4070 Color: Blue Category: 5
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]
Part #: 4081b Color: Dark Blue Category: 9
Dish 2 x 2 Inverted [Radar]
Dish 2 x 2 Inverted [Radar]
Part #: 4740 Color: Black Category: 21
Slope Curved 3 x 1 No Studs
Slope Curved 3 x 1 No Studs
Part #: 50950 Color: Dark Purple Category: 37
Technic Axle 8
Technic Axle 8
Part #: 3707 Color: Black Category: 46
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate
Part #: 73109 Color: Light Bluish Gray Category: 8
Brick Round 1 x 1 Open Stud
Brick Round 1 x 1 Open Stud
Part #: 3062b Color: Trans-Light Blue Category: 20
Equipment Lantern
Equipment Lantern
Part #: 37776 Color: Pearl Titanium Category: 27
Chain 6L [5 Links]
Chain 6L [5 Links]
Part #: 92338 Color: Black Category: 31
Plate Round 1 x 1 with Solid Stud
Plate Round 1 x 1 with Solid Stud
Part #: 6141 Color: Black Category: 21
Sticker Sheet for Set 71842-1
Part #: 10113523 Color: [No Color/Any Color] Category: 58
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]
Part #: 99563 Color: Black Category: 15
Wedge Curved Inverted 6 x 4
Wedge Curved Inverted 6 x 4
Part #: 43713 Color: Dark Purple Category: 6
Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder
Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder
Part #: 79180 Color: Black Category: 5
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End
Part #: 47457 Color: White Category: 37
Brick Special 1 x 1 with Studs on 2 Sides
Brick Special 1 x 1 with Studs on 2 Sides
Part #: 47905 Color: Dark Bluish Gray Category: 5
Slope Inverted 45° 4 x 2 Double
Slope Inverted 45° 4 x 2 Double
Part #: 4871 Color: Dark Bluish Gray Category: 3
Plate Special 1 x 1 with Tooth
Plate Special 1 x 1 with Tooth
Part #: 49668 Color: Light Bluish Gray Category: 9
Wedge Curved 4 x 3 No Studs [Plain]
Wedge Curved 4 x 3 No Studs [Plain]
Part #: 64225 Color: Dark Purple Category: 6
Plate 2 x 3
Plate 2 x 3
Part #: 3021 Color: Black Category: 14
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]
Part #: 3484 Color: Dark Bluish Gray Category: 32
Plate 2 x 12
Plate 2 x 12
Part #: 2445 Color: Black Category: 14
Weapon Hilt Symmetric
Weapon Hilt Symmetric
Part #: 66909 Color: Sand Green Category: 73
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]
Part #: 21459 Color: Pearl Gold Category: 73
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part #: 54200 Color: Dark Bluish Gray Category: 3
Weapon Sword / Saber with Curved Blade and Hilt
Weapon Sword / Saber with Curved Blade and Hilt
Part #: 25111 Color: Pearl Gold Category: 73
Tassel with 1 x 1 Round Stud
Tassel with 1 x 1 Round Stud
Part #: 25375 Color: Pearl Gold Category: 27
Brick 1 x 2 x 3 with Bottom Stud Holder
Brick 1 x 2 x 3 with Bottom Stud Holder
Part #: 22886 Color: Light Bluish Gray Category: 11
Plate Special 1 x 2 Side Handle [Free Ends]
Plate Special 1 x 2 Side Handle [Free Ends]
Part #: 2540 Color: Black Category: 9
Plate Round 4 x 4 with Pin Hole
Plate Round 4 x 4 with Pin Hole
Part #: 60474 Color: Dark Bluish Gray Category: 21
Weapon Sword, Broad with Trans-Red Blade pattern
Weapon Sword, Broad with Trans-Red Blade pattern
Part #: 7182pat0001 Color: Pearl Gold Category: 73
Creature Body Part, Dragon Head Upper Jaw with Bright Light Yellow Eye, Dark Pink/Blue Markings print
Part #: 7243pr0001 Color: Dark Blue Category: 75

Charts Inventory Statistics

103
Unique Parts
363
Total Pieces
4
Minifigures
Inventory Version: 1

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