How many pieces are in the Rontu the Master Dragon?

Rontu the Master Dragon contains 381 pieces.

When was the Rontu the Master Dragon released?

Rontu the Master Dragon was released in 2025.

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🏛 Ninjago

Set #71842

Rontu the Master Dragon

Rontu the Master Dragon is a surprisingly vibrant Ninjago creature.

Before you buy

Who it's for: Ages 7+ · Intermediate build Perfect for Ninjago fans aged 9+ who enjoy building dragons and engaging in imaginative play.
Build: 381 pieces · about 4.5 hours Build time is an estimate.
Price: $49.99 list price · 13.1¢ per piece
Availability: Retired at LEGO

★★★☆☆ 3.6 community rating from 33 ratings

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.

$49.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

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.

✨ New

Ask BlockTalk about this set

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BlockTalk

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Try asking:

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

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

381

Pieces

⏱

4.5h

Estimated 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

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

↓ Price declining

C+

Investment Grade

⏳ Retired

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

Heatwave Transforming Lava Dragon

Ninjago • 479 pcs

$54.99

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

Wyldfyre, Dark Red Outfit

Sora, Dark Blue Shoulder Armor and Mask

5 parts

B+

Lloyd, Bright Green Shoulder Armor and Mask, Hair

5 parts

B+

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

📦 Parts Inventory

Official piece count: 381
Parts cataloged in this inventory: 103 unique parts, 363 pieces
Minifigures: 4

The official piece count includes the 18 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Sticker Sheet for...

Part #: 10113523 1× [No Color/Any Color]

Plate Special 1 x...

Part #: 11476 2× Black

Brick Curved 2 x ...

Part #: 11477 12× Dark Purple

Plate Round 4 x 4...

Part #: 11833 2× Black

Plate Special 1 x...

Part #: 14417 4× Dark Bluish Gray

Plate Special 1 x...

Part #: 14704 8× Light Bluish Gray

Tile Round 2 x 2 ...

Part #: 14769 2× Dark Purple

Brick Curved 2 x ...

Part #: 15068 11× Dark Blue

Brick Curved 2 x ...

Part #: 15068 7× Dark Purple

Plate Special 1 x...

Part #: 15070 10× Pearl Gold

Brick Sloped 45° ...

Part #: 15672 4× Dark Purple

Weapon Sword / Ka...

Part #: 21459 1× Pearl Gold

Brick 1 x 2 x 3 w...

Part #: 22886 1× Light Bluish Gray

Plate Special 1 x...

Part #: 22890 2× Dark Bluish Gray

Bar Holder with H...

Part #: 23443 2× Pearl Gold

Plate 2 x 2 Corner

Part #: 2420 4× Dark Tan

Plate 2 x 12

Part #: 2445 1× Black

Weapon Sword / Sa...

Part #: 25111 1× Pearl Gold

Tile Round 1 x 1 ...

Part #: 25269 4× Dark Blue

Tile Round 1 x 1 ...

Part #: 25269 2× Dark Bluish Gray

Tassel with 1 x 1...

Part #: 25375 1× Pearl Gold

Plate Special 1 x...

Part #: 2540 1× Black

Plate 4 x 4 Corner

Part #: 2639 2× Dark Bluish Gray

Plate 4 x 4 Corner

Part #: 2639 2× Dark Blue

Wedge Plate 2 x 2...

Part #: 26601 6× Dark Blue

Technic Disc 3 x 3

Part #: 2723 2× Black

Tile Special 2 x ...

Part #: 27263 2× Dark Blue

Wave / Power Blas...

Part #: 27393 2× Trans-Orange

Tile 2 x 2 Curved...

Part #: 27925 12× Dark Purple

Minifig Head [Pla...

Part #: 28621 2× Trans-Light Blue

Bracket 1 x 2 - 1...

Part #: 28802 4× Black

Brick 1 x 1

Part #: 3005 2× Black

Brick 1 x 1

Part #: 3005 2× Dark Blue

Brick 1 x 4

Part #: 3010 2× Dark Blue

Plate 2 x 4

Part #: 3020 2× Dark Bluish Gray

Plate 2 x 4

Part #: 3020 4× Dark Purple

Plate 2 x 3

Part #: 3021 2× Dark Blue

Plate 2 x 3

Part #: 3021 1× Black

Plate 2 x 2

Part #: 3022 4× Dark Bluish Gray

Plate 2 x 2

Part #: 3022 6× Dark Purple

Plate 1 x 2

Part #: 3023 17× Dark Pink

Plate 1 x 2

Part #: 3023 4× Pearl Gold

Hinge Plate 1 x 2...

Part #: 30383 4× Light Bluish Gray

Brick Round 1 x 1...

Part #: 3062b 1× Trans-Light Blue

Tile 2 x 2 with G...

Part #: 3068b 4× Dark Tan

Tile 1 x 1 with G...

Part #: 3070b 4× Dark Purple

Animal / Creature...

Part #: 3171 12× Pearl Gold

Technic Brick 1 x...

Part #: 32064a 2× White

Brick Curved Inve...

Part #: 32803 3× Dark Bluish Gray

Plate Special 2 x...

Part #: 33909 2× Dark Blue

Bar 1L with Clip ...

Part #: 3484 1× Dark Bluish Gray

Bar 1L with Clip ...

Part #: 3484 2× Pearl Gold

Weapon Chakram / ...

Part #: 35485 2× Pearl Gold

Brick 1 x 3

Part #: 3622 2× Black

Bracket 1 x 1 - 1...

Part #: 36841 2× Dark Blue

Technic Brick 1 x...

Part #: 3700 2× Black

Technic Brick 1 x...

Part #: 3701 2× Dark Bluish Gray

Technic Axle 4

Part #: 3705 2× Red

Technic Axle 8

Part #: 3707 1× Black

Plate 1 x 4

Part #: 3710 2× Dark Bluish Gray

Plate 1 x 4

Part #: 3710 2× Dark Blue

Equipment Lantern

Part #: 37776 1× Pearl Titanium

Plate Round 2 x 2...

Part #: 4032a 4× White

Brick Special 1 x...

Part #: 4070 2× Blue

Plate Special 1 x...

Part #: 4081b 2× Dark Blue

Technic Beam 1 x ...

Part #: 41677 4× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 43713 1× Dark Purple

Dish 2 x 2 Invert...

Part #: 4740 2× Black

Brick Curved 2 x ...

Part #: 47457 1× White

Brick Special 1 x...

Part #: 47905 1× Dark Bluish Gray

Brick Sloped Inve...

Part #: 4871 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 49668 1× Light Bluish Gray

Brick Curved 3 x ...

Part #: 50950 2× Dark Purple

Wedge Plate 2 x 4

Part #: 51739 2× Dark Blue

Animal Body Part,...

Part #: 53451 2× Dark Pink

Animal Body Part,...

Part #: 53451 3× Black

Technic Ball Join...

Part #: 53585 2× Black

Brick Sloped 30° ...

Part #: 54200 2× Dark Blue

Brick Sloped 30° ...

Part #: 54200 1× Dark Bluish Gray

Brick Sloped 30° ...

Part #: 54200 2× Black

Hinge Cylinder 1 ...

Part #: 57360 4× Dark Bluish Gray

Technic Brick Spe...

Part #: 57909b 3× Dark Bluish Gray

Creature Body Par...

Part #: 5973 2× Dark Pink

Plate Round 4 x 4...

Part #: 60474 1× Dark Bluish Gray

Plate Special 1 x...

Part #: 60897 2× Dark Purple

Plate Special 1 x...

Part #: 60897 2× Red

Brick 1 x 12

Part #: 6112 2× Dark Purple

Technic Pin with ...

Part #: 61332 3× Black

Plate Round 1 x 1...

Part #: 6141 2× Dark Purple

Plate Round 1 x 1...

Part #: 6141 1× Black

Plate Special 1 x...

Part #: 63868 2× Black

Brick Wedged, Cur...

Part #: 64225 1× Dark Purple

Technic Axle Pin ...

Part #: 65249 2× Light Bluish Gray

Technic Pin with ...

Part #: 66906 2× Black

Weapon Hilt Symme...

Part #: 66909 1× Sand Green

Technic Brick Spe...

Part #: 67696 5× Black

Launcher, Plate S...

Part #: 69754 2× Pearl Gold

Launcher Trigger,...

Part #: 69755 2× Dark Bluish Gray

Energy Effect, Fl...

Part #: 7105 2× Trans-Dark Pink

Weapon Sword, Bro...

Part #: 7182pat0001 1× Pearl Gold

Creature Body Par...

Part #: 7243pr0001 1× Dark Blue

Technic Brick Spe...

Part #: 73109 1× Light Bluish Gray

Bracket 1 x 1 - 1...

Part #: 73825 6× Black

Bracket 5 x 2 x 1...

Part #: 79180 1× Black

Bracket 1 x 1 - 1...

Part #: 79389 4× Dark Bluish Gray

Plate Angled 2 x ...

Part #: 79846 2× Dark Bluish Gray

Brick Special 2 x...

Part #: 79897 2× Dark Blue

Animal Body Part ...

Part #: 80497 2× Dark Pink

Brick Round Corne...

Part #: 85080 2× Black

Plate Round 1 x 1...

Part #: 85861 3× Dark Bluish Gray

Plate Round 1 x 1...

Part #: 85861 2× Pearl Gold

Brick Sloped 30° ...

Part #: 85984 4× Dark Purple

Chain 6L [5 Links]

Part #: 92338 1× Black

Plate Special 1 x...

Part #: 92692 4× Pearl Gold

Tile Round 1 x 1

Part #: 98138 3× Dark Tan

Tile Round 1 x 1

Part #: 98138 4× Dark Pink

Bracket 1 x 2 - 2...

Part #: 99207 4× Dark Bluish Gray

Tile Special 1 x ...

Part #: 99563 1× Black

Bracket 1 x 2 - 1...

Part #: 99780 16× Dark Tan

Bracket 1 x 2 - 1...

Part #: 99781 7× Dark Blue

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.

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.

Getting the New Ninjago Sets Delivered to me in the Middle of North Africa

DuckBricks • 20.0K views Review

What the Community Says

1 YouTube reviews

BlockTalk AI Summary

Reddit Reviews

No Reddit reviews found

YouTube Reviews

1 video

Getting the New Ninjago Sets Delivered to me in the Middle of North Africa

DuckBricks

20.0K views Review

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

Inventory Statistics

103

Unique Parts

381

Official Piece Count

363

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 18 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.