Unleash the Dragon!
Command Rontu with the Ninja!

Build your own posable Master Dragon with 381 pieces and 4 minifigures, including Lloyd, Sora, Wyldfyre, and the villainous Zarkt! Recreate epic battles from season 3 of Ninjago Dragons Rising.

🏛 Ninjago
Set #71842

Rontu the Master Dragon

Rontu the Master Dragon is a surprisingly vibrant Ninjago creature.

🏆 Best For: Perfect for Ninjago fans aged 9+ who enjoy building dragons and engaging in imaginative play. ⏱ 4.5 hr build 🧩 381 pcs
★★★★☆ 4.1

Fans appreciate the vibrant colors and posable design of Rontu, making it a great display piece. Some find the build somewhat repetitive, but overall it's considered a solid addition to the Ninjago dragon collection.

📝 Our Take

Rontu the Master Dragon is a surprisingly vibrant Ninjago creature. The color scheme pops, and the posability allows for dynamic display options that capture the essence of a powerful, yet friendly dragon companion.

This set is perfect for younger Ninjago fans and those looking for a fun, engaging build. With a manageable piece count and straightforward instructions, it's a great introduction to more complex LEGO models, while still providing a satisfying building experience.

Skip this if you are seeking a challenging build or a massive display piece. For a more intricate dragon model, explore sets like the Legacy Golden Dragon or other larger Ninjago dragons.

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How does Rontu compare to other Ninjago dragons in terms of size and detail? What are some creative ways to pose Rontu for display? Is this set a good value for the price, considering the piece count and minifigures? How does this set fit into the overall Ninjago storyline and characters?

🧱 Building Experience

🧩
381
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Building the dragon's articulated body and wings
  • Creative use of curved slopes to achieve a smooth, organic look
  • Integrating the pearl gold claw elements for added detail
  • Designing the saddle and reins for the minifigure riders

📈 Investment Analysis

↓ Price declining
C+
Investment Grade
⏳ Active
Rontu the Master Dragon presents a moderate investment opportunity. Its mid-range price point and piece count make it accessible to a wide range of collectors. The Ninjago theme maintains consistent popularity, which supports potential appreciation. However, its availability and lack of exclusive elements might limit significant gains. The current falling price may indicate lower demand, meaning patience will be key for seeing returns.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

Rontu the Master Dragon offers a more accessible entry point compared to larger, more complex Ninjago dragon sets. While it may lack the intricate detailing of sets like the Legacy Golden Dragon, its lower price point and engaging build make it a great option for younger fans or those new to the theme. Consider larger sets for display, or this one for active play.

4 Minifigures Included

The set includes four minifigures, including Wyldfyre, Zarkt, Sora, and Lloyd. Each minifigure has unique accessories, adding to the set's playability and collectibility.

📦 Full Parts Inventory - 103 unique parts • 363 total pieces

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

🛒 Where to Buy

💎 Notable Parts

17x Dark Pink Plate 1 x 2 (17x) $1.70
16x Dark Tan Bracket 1 x 2 - 1 x 2 Inverted (16x) $2.40
12x Pearl Gold Animal / Creature Body Part, Claw with Clip (12x) $4.80
12x Dark Purple Tile 2 x 2 Curved, Macaroni (12x) $3.00
12x Dark Purple Slope Curved 2 x 1 No Studs [1/2 Bow] (12x) $3.00
Est. BrickLink Part Value
$14.90

💡 MOC Potential

🤖 Dragon-themed mech suit
🌳 A larger, more detailed dragon statue
🏰 A dragon-themed gate for a castle

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found
BlockTalk AI

DuckBricks offers a mixed review of the LEGO Ninjago Rontu the Master Dragon set (71842), especially in comparison to the dragon's animated counterpart. The review highlights the inclusion of Zark, Lloyd, Sora, and Wildfire minifigures, with the build focusing primarily on Rontu himself.

What the Community Says

1 YouTube reviews
BlockTalk AI Summary

DuckBricks offers a mixed review of the LEGO Ninjago Rontu the Master Dragon set (71842), especially in comparison to the dragon's animated counterpart. The review highlights the inclusion of Zark, Lloyd, Sora, and Wildfire minifigures, with the build focusing primarily on Rontu himself.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

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