NINJAGO®
Jay's Dragon Mech Fight
from $25
$0.23/pc
🏆 All-time low
![Rontu the Master Dragon]()
NINJAGO®
#71842 · EAN 5702017815756
381 pieces · 4 minifigs · Released 2025
$69.99
Cheapest at Thebrickstore · ✓ In stock
✓ 3 retailers
✓ Prices checked today ·
LEGO® NINJAGO® dragon toy playset with 4 minifigures
381
Pieces
4
Minifigs
2025
Year
≈ $0.18 per piece · 381 pieces
46
Heist
Decent
Trending up
📄 Building instructions (LEGO.com)
📚 Set details: Brickset · Rebrickable
Compare prices
Prices at 3 retailers — last checked today. · How we track these prices.
Baf Portland
○ Out of stock
$55
Baf Eugene
○ Out of stock
$64.99
Thebrickstore
Best price
● In stock
$69.99
Price history — last 90 days
Lowest price across listed retailers.
Lowest price
Specifications
Set #
71842
Theme
NINJAGO®
Pieces
381
Minifigs
4
Year
2025
Status
In production
All-time low
$69.99
Price per piece
$0.18
EAN
5702017815756
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The best price for Rontu the Master Dragon right now is $69.99 across 3 retailers — matching the official LEGO RRP of .
Measured on price per piece, Rontu the Master Dragon currently sits 47% above the median of the 11 LEGO NINJAGO® sets we track — you're paying for more than the piece count here.
The lowest daily price has held steady around $69.99 over the past month.
Right now it's at its all-time low of $69.99 — a great moment to buy.
Frequently asked questions
How much does Rontu the Master Dragon cost?
The cheapest tracked price for Rontu the Master Dragon is $69.99, compared across 3 retailers on Brickheist.
What is the lowest price for Rontu the Master Dragon?
The all-time low we've recorded for Rontu the Master Dragon (set 71842) is $69.99. The 12-month price history is shown on this page so you can spot a genuine deal.
$69.99
at Thebrickstore