LEGO Rontu the Master Dragon (71842)
LEGO Rontu the Master Dragon, set number 71842, is a Ninjago set of 381 pieces with 4 minifigures, released in June 2025. Its recommended retail price was $49.99. It retired in July 2026.
Specifications
- Set number
- 71842-1
- Theme
- Ninjago
- Subtheme
- Dragons Rising Season 3
- Pieces
- 381
- Minifigures
- 4
- Exclusive minifigures
- 0
- Released
- June 2025
- Retirement date
- July 2026
- MSRP (USD)
- $49.99
- MSRP (GBP)
- £39.99
- MSRP (EUR)
- €44.99
- MSRP (CAD)
- CA$59.99
- Amazon price
- $49.99
- Amazon 90-day average
- $51.11
- Amazon price vs MSRP
- +0.00%
- BrickLink new from
- $40.00
- BrickLink new from vs MSRP
- -19.98%
- BrickLink new 6-month average
- $51.17
- New sold on BrickLink in 6 months
- 1
- BrickLink used 6-month average
- $35.16
- Used sold on BrickLink in 6 months
- 3
Minifigures in this set
- Lloyd, Bright Green Shoulder Armor and Mask, Hair (fig-016378)
- Zarkt (fig-016114)
- Sora, Dark Blue Shoulder Armor and Mask (fig-016376)
- Wyldfyre, Dark Red Outfit (fig-015838)
More sets in Dragons Rising Season 3
- LEGO Mini Ninja Combo Mech (30699-1)
- LEGO Arin vs. Dragonian Battle (30700-1)
- LEGO Zane's Battle Suit Mech (71827-1)
- LEGO Lloyd's Pull-Back Race Car (71828-1)
- LEGO Lloyd's Green Forest Dragon (71829-1)
- LEGO Kai's Mech Storm Rider (71830-1)
- LEGO Ninja Spinjitzu Temple (71831-1)
- LEGO Thunderfang Dragon of Chaos (71832-1)
- LEGO Ras and Arin's Super Storm Jet (71833-1)
- LEGO Zane's Ultra Combiner Mech (71834-1)
- LEGO Arc Dragon of Focus (71836-1)
- LEGO NINJAGO City Workshops (71837-1)
Showing 12 of 20 sets.
Price tracking
StudFinder tracks Rontu the Master Dragon across Amazon and BrickLink and alerts you when the price falls past the discount you choose. Amazon most recently listed it at $49.99. The cheapest new BrickLink listing is $40.00. Full price history, retirement status and current deals are shown above.
How these prices are measured
The Amazon 90-day average of $51.11 is the mean of the lowest new Amazon listing for this set over the last 90 days, in US dollars. BrickLink figures are quoted for United States sellers in US dollars: "new from" is the lowest price a seller is currently asking, while the six-month averages are quantity-weighted means of the sales that actually completed on BrickLink over the last six months, drawn from 1 new and 3 used sales of this set. Each "vs MSRP" figure compares that price with this set's $49.99 recommended retail price.
Price sources
StudFinder does not sell LEGO. Every price above was observed at one of these marketplaces — follow a link to see what it costs there now.
- LEGO Rontu the Master Dragon on Amazon ($49.99)
- LEGO Rontu the Master Dragon on BrickLink (new from $40.00)
Common questions
How much does LEGO Rontu the Master Dragon (71842) cost?
LEGO Rontu the Master Dragon launched at a recommended retail price of $49.99. Amazon most recently listed it at $49.99. The cheapest new listing on BrickLink is $40.00. That is 19.98% below its $49.99 MSRP.
Is LEGO 71842 retired?
LEGO Rontu the Master Dragon retired in July 2026, so LEGO no longer produces it and it is only available second-hand or from leftover retailer stock. Used copies have sold on BrickLink for $35.16 on average.
How many pieces does LEGO Rontu the Master Dragon have?
LEGO Rontu the Master Dragon (71842) contains 381 pieces. It also includes 4 minifigures.
