LEGO Ninja Dragon Riyu's Battle (71855)

NINJAGO · 347 pieces · 4 minifigures

From $39.87 at Amazon · 11% off

Not retiring yet (on sale since 2026)

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Compare prices (US)

Regular price $44.99

See it at Amazon, $39.87

Buy now: NINJAGO sets are usually 0% off here, so this beats the norm.

. Amazon offers can be third-party (marked).

Similar sets with bigger discounts

Price history

Lowest price today: $39.87; at Amazon
Lowest we’ve recorded: $38.99; Amazon, Oct 18, 2026
LEGO’s regular price: $44.99; today’s lowest is 11% off
Tracked since: Sep 29, 2026; 8 price changes since

Price records (13)

October 22, 2026 · Amazon$39.87
October 21, 2026 · LEGO.com$44.99
October 20, 2026 · LEGO.com$44.99
October 19, 2026 · LEGO.com$44.99
October 19, 2026 · Amazon$40.49
October 18, 2026 · Amazon$38.99
October 17, 2026 · Amazon$40.49
October 15, 2026 · Amazon$39.58
October 11, 2026 · Best Buy$44.99
October 11, 2026 · Barnes & Noble$44.99
October 3, 2026 · Amazon$40.49
September 29, 2026 · Target$40.49
September 29, 2026 · LEGO.com$44.99

Prices at LEGO.com, Amazon, Walmart, Target, Best Buy, and Barnes & Noble, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO Ninja Dragon Riyu's Battle in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn USDStore

AustraliaBest priceAmazon.com.auA$55.99$39.26Amazon.com.au
US(this page)Amazon$39.87$39.87Amazon
NederlandMister Bricks€36.95$41.40Mister Bricks

Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

What the LEGO Ninja Dragon Riyu's Battle actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

$48.43

Median of 2 sales (worldwide), from $48.43 to $48.74

+8% vs LEGO’s regular price ($44.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update October 23, 2026). Few sales mean a less reliable figure.

Set details

Pieces: 347
Minifigures: 4
Ages: 7+
Released: 2026
Set number: 71855
Theme: NINJAGO
Price per piece: 11.5¢at today’s lowest price
LEGO.com rating: 4.7
LEGO Insiders points: 292

LEGO Ninja Dragon Riyu's Battle building instructions

Instructions bookletPDF, 41 MB

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO Ninja Dragon Riyu's Battle parts list

313 pieces in 110 different parts and colors, plus 4 minifigures.

Minifigures

Arin (Draconus Robes)
Loyalist
Mutation Monster, Tentacles
Nya (Draconus Form)

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Parts list: Rebrickable.

About the LEGO Ninja Dragon Riyu's Battle

Boys and girls ages 7 and up will love building this LEGO® NINJAGO® Ninja Dragon Riyu’s Battle (71855) ninja toy and recreating scenes from season 4 of the NINJAGO Dragons Rising TV show. This impressive playset features a dragon toy with posable wings, legs, feet, arms, wrists, claws, head, tail and shoulders, and it’s armed with a large sword and shuriken weapon accessories. Kids can also make an exciting swap and use the weapons from the Cole’s Mission Mech & Dragon Zane (71854) set (sold separately). This LEGO dragon set comes with 4 minifigures: ninja warriors Arin and dragon form Nya and villains Mutation Monster and Loyalist. The LEGO NINJAGO range of make-believe toys for kids includes mechs, dragons and temples for fans to role-play ninja action. Kids can build each playset with confidence using the LEGO Builder app – zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 347 pieces.

NINJA TOY – With this LEGO® NINJAGO® Ninja Dragon Riyu’s Battle (71855) set, boys and girls ages 7 and up can play out battle scenes from season 4 of the NINJAGO Dragons Rising TV show
POSABLE DRAGON FIGURE – Dragon toy has posable wings, legs,feet, arms, wrists, claws, head, tail and shoulders, and it’s armed with a large sword and shuriken weapon accessories
4 NINJAGO® MINIFIGURES – Play out heroes and villains battles with ninja Arin and dragon form Nya taking on villains Mutation Monster and Loyalist, who are all armed with weapon accessories
INTERCHANGABLE NINJAGO® WEAPONS – Kids can make a swap and use the weapon accessories from Cole’s Mission Mech & Dragon Zane (71854) playset, sold separately
DRAGON GIFT FOR KIDS – This battle toy provides a fun build-and-play experience and is a ninja gift idea for kids with a passion for fantasy and adventure toys
A FUN WAY TO BUILD – Let the LEGO® Builder app guide 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 – This extensive collection of kids’ toys lets ninja fans and children escape into an immersive fantasy world for imaginative play with their ninja heroes
DIMENSIONS – This 347-piece fantasy adventure toy features a Riyu dragon toy measuring over 5.5 in. (14 cm) high, 13.5 in. (34 cm) long and 13.5 in. (34 cm) wide

Description: LEGO.com.

LEGO Ninja Dragon Riyu's Battle: FAQ

Is the LEGO Ninja Dragon Riyu's Battle retiring?

Not yet: the LEGO Ninja Dragon Riyu's Battle isn’t flagged as retiring. LEGO.com doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes. It is on backorder on LEGO.com (ships later).

How much is the LEGO Ninja Dragon Riyu's Battle?

The lowest price we found today is $39.87 at Amazon, out of 5 stores selling it today (regular price $44.99). Prices change often: this page is updated every day.

Should I buy the LEGO Ninja Dragon Riyu's Battle now or wait?

11% off at Amazon. The best price today is $39.87 at Amazon, 11% below LEGO’s regular price. NINJAGO sets are usually 0% off here, so this beats the norm.