Rontu the Master Dragon 71842
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Lego® NINJAGO 71842 Rontu the Master Dragon

NINJAGO
The Lego set Rontu the Master Dragon with the Lego number 71842 is part of the LEGO NINJAGO theme. The set was released in May of 2025. It contains 4 minifigures. The model consists of a total of 381 parts and we estimate it takes you around 1 hour to build it.
The set weighs around 0.460 kg in total. The recommended retail price is £39.99.
Our Brickfact Lego price comparison compares prices from 2 shops for this set. Currently Hamleys.co.uk has the lowest price at £39.99. This corresponds to a per piece price of £0.10. Unfortunately the set is not available with a discount anymore.
You will also receive 320 Insiders points if you decide to buy the set from the official Lego store. You can exchange them for discount coupons for future purchases.
The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about £60.43. You save around £20.44 if you buy this set directly at Hamleys.co.uk instead of purchasing the bricks on bricklink.com. Therefore, the current best offer has a POV rate of 1.51. The POV Rate is the ratio of Part-Out-Value to the current best price on Brickfact.com.
Disclosure: As members of the Amazon Partner Program, eBay Partner Network and other affiliate programs of retailers such as LEGO, we earn from qualified sales that you make via links to the respective platforms and stores on our website.

Lego 71842 price comparison

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Lego 71842 product data

Set Information

Set ID
71842
Theme
Pieces
381
Building Time
1 hour
Minifigures
4

Availability

Release
05/2025
Retiring Status
Begin of Life

Price Information

RRP
£39.99
Insiders Points (for purchase at Lego)
320
Part Out Value
£60.43
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Packaging

Weight
0.460 kg
EAN (GTIN13)
5702017815756

Lego 71842 price trend

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Minifigures from 71842 Rontu the Master Dragon

The Rontu the Master Dragon set includes 4 different minifigures, 0 of which are unique to this set. The combined value of the minifigures is £23.32, which is ~58% of the RRP of this set.
x1
Thumbnail of minifigure njo0923
Wyldfyre - Dark Red Tunic
NINJAGO
time-logo
2025
# njo0923
£1.57
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5 sets
x1
Thumbnail of minifigure njo0948
Zarkt
NINJAGO
time-logo
2025
# njo0948
£7.71
3 sets
x1
Thumbnail of minifigure njo0974
Lloyd - Dragons Rising, Tunic with Strap and Charm, Dragon Shoulder Armor
NINJAGO
time-logo
2025
# njo0974
£8.86
2 sets
x1
Thumbnail of minifigure njo0975
Sora - Dragon Shoulder Armor
NINJAGO
time-logo
2025
# njo0975
£5.18
2 sets

Official Set Description for LEGO 71842 Rontu the Master Dragon

LEGO® NINJAGO® Rontu the Master Dragon (71842) toy lets ninja fans aged 7 and up recreate action-packed scenes from season 3 of the NINJAGO Dragons Rising TV show. This building set for kids features a dragon toy with a posable tail, legs, wings, head and jaw, 2 positions to place a minifigure on its back and a stud shooter under each wing.

4 NINJAGO minifigures are included in the LEGO playset: ninja warriors Lloyd, Sora and Wyldfyre, each with a ninja weapon accessory, plus Master of Misfortune, Zarkt, for kids to play out epic good vs. evil battles. There is also a brick-built mini shrine with a secret message that Lloyd reveals with his translucent reveal blade accessory.

Sets and buildable action toys in the LEGO NINJAGO range (sold separately) include mechs, vehicles and temples so fans can role-play ninja action. Each ninja playset can be created with the LEGO Builder app, which guides you and your child on an easy and intuitive building adventure. Set contains 381 pieces.

  • LEGO® NINJAGO® dragon toy for kids – Rontu the Master Dragon toy lets boys and girls aged 7 and up recreate scenes from season 3 of the NINJAGO Dragons Rising TV show
  • Highly posable dragon figure – This large dragon model features a posable tail, legs, wings, head and jaw, 2 positions on its back for a minifigure, plus a stud shooter under each wing
  • Mini shrine – Battle role-play set features a small brick-built shrine guarded by Zarkt, which contains a secret message that Lloyd can decode with his translucent reveal blade accessory
  • 4 NINJAGO® minifigures – This LEGO® building set comes with ninja warriors Sora, Wyldfyre, Lloyd and the villainous Zarkt with ninja weapon accessories for kids to play out good vs. evil battles
  • Birthday gift idea for kids – This LEGO® set provides a fun build-and-play experience and is a birthday gift idea for boys and girls aged 7 and up who have a passion for ninja action
  • A fun way to build – The LEGO® Builder app guides kids on an intuitive building adventure, where they can save sets, track progress and zoom in and rotate models in 3D while they build
  • A universe of LEGO® NINJAGO® sets – The extensive collection of ninja toy playsets (sold separately) lets kids escape into a fantasy world for imaginative play with their ninja heroes
  • Measurements – The Rontu the Master Dragon figure in this 381-piece LEGO® NINJAGO® building kit stands over 5 in. (13 cm) tall

Building Instruction for LEGO 71842 Rontu the Master Dragon

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