LEGO Kai's Mech Storm Rider (71830)

NINJAGO · 333 pieces · 3 minifigures

From $49.97 at Amazon

Retiring by December 31, 2026 (70 days left) · How we estimate

1 / 10

Compare prices (US)

Regular price $49.99

See it at Amazon, $49.97

Last chance: New copies of retired sets tend to get scarcer and pricier.

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

Also retiring soon in NINJAGO

Price history

Lowest price today: $49.97; at Amazon
Lowest we’ve recorded: $39.99; Amazon, Oct 14, 2026
LEGO’s regular price: $49.99
Tracked since: Sep 29, 2026; 29 price changes since

Price records (33)

October 21, 2026 · Amazon$49.97
October 21, 2026 · Walmartout of stock$49.97
October 21, 2026 · Amazon$39.99
October 21, 2026 · Walmartout of stock$48.96
October 20, 2026 · Amazon$48.96
October 20, 2026 · Amazon$49.99
October 20, 2026 · Walmartout of stock$47.50
October 19, 2026 · Walmartout of stock$46.05
October 19, 2026 · Walmartout of stock$46.77
October 18, 2026 · Walmartout of stock$48.25
October 18, 2026 · Walmartout of stock$39.99
October 17, 2026 · Walmartout of stock$46.02
October 17, 2026 · Walmartout of stock$39.99
October 16, 2026 · Walmartout of stock$46.02
October 16, 2026 · Amazon$39.99
October 15, 2026 · Amazon$46.02
October 15, 2026 · Targetout of stock$39.99
October 15, 2026 · Target$39.99
October 15, 2026 · Walmartout of stock$48.22
October 14, 2026 · Amazon$39.99
October 14, 2026 · Walmartout of stock$48.96
October 13, 2026 · Amazon$48.96
October 13, 2026 · Walmartout of stock$49.64
October 13, 2026 · Amazon$45.30
October 12, 2026 · Amazon$49.64
October 12, 2026 · Walmartout of stock$49.99
October 11, 2026 · Best Buy$49.99
October 11, 2026 · Barnes & Noble$49.99
October 8, 2026 · Amazon$49.99
October 5, 2026 · Amazon$49.00
October 4, 2026 · LEGO.comout of stock$49.99
September 30, 2026 · Walmartout of stock$49.00
September 29, 2026 · LEGO.com$49.99

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 Kai's Mech Storm Rider 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

PolskaBest priceAmazon.plPLN 139.90$35.88Amazon.pl
DeutschlandSteinehelden€34.81$39.00Steinehelden
NederlandAmazon.nl€34.82$39.02Amazon.nl
US(this page)Amazon$49.97$49.97Amazon

Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

What the LEGO Kai's Mech Storm Rider actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

$37.68

Median of 1 sale (worldwide)

-25% vs LEGO’s regular price ($49.99)

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: 333
Minifigures: 3
Ages: 7+
Released: 2025
Set number: 71830
Theme: NINJAGO
Price per piece: 15.0¢at today’s lowest price
LEGO.com rating: 4.8

LEGO Kai's Mech Storm Rider building instructions

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 Kai's Mech Storm Rider parts list

317 pieces in 124 different parts and colors, plus 3 minifigures.

Minifigures

Dragonian Warrior, Short Horns, 28621pr9762 Head
Kai, Dark Red Suit, Red Helmet
Nya, Pearl Titanium Outfit

×2561332
×102412b
×1035480
×1044861
×63171
×614417
×614704
×620482
×43749
×44274
×46141
×413547
×415068
×415303
×432062
×447456
×459900
×465304
×465426
×465429
×473230
×479846
×493274
×499207
×33022
×33034
×33039
×33795
×399563
×22752
×22817
×23020
×23021
×23049d
×23673
×23709
×23894
×23895
×24032a
×24304
×24740
×24865b
×25984
×211455
×213731
×215068
×215068
×215400
×215571
×215571
×215672
×215712
×218674
×221459
×221459
×222385
×227940
×228192
×230503
×232013
×232016
×232316
×232523
×235787
×236840
×236841
×242924
×243712
×244225
×246667
×247457
×247457
×248336
×254200
×260470b
×260478
×261409
×261800
×263868
×264225
×264712
×265138
×269729
×270681
×273825
×276959
×278666
×292832
×292847
×298100
×298138
×298139
×298834
×13001
×13002
×13020
×13021
×13022
×13701
×13705
×14871
×15652
×15974pat0002
×15978
×114769
×126603
×127262
×130136
×130236
×132034
×132802
×135480
×147456
×150949
×160592
×160752
×161072
×164391
×164683
×173109
×179180
×179896
×191988
×110110235

Parts list: Rebrickable.

About the LEGO Kai's Mech Storm Rider

Kai’s Mech Storm Rider (71830) combo ninja toy lets boys and girls aged 7 and up recreate exhilarating scenes from season 3 of the NINJAGO® Dragons Rising TV show. Kids can play with the large action toy before they separate it into 2 smaller vehicles: Kai’s mech with posable head, arms and legs, a cockpit and a large storm blade accessory, and Nya’s flying motorbike toy with a cockpit, movable wings and 2 spring-loaded shooters.

This ninja vehicle playset comes with 3 NINJAGO minifigures: Kaiarmed with 2 crystal katana sword accessories, Nya armed with 2 golden katana sword accessories and a villainous Dragonian Warrior with its own sword accessory so kids can role-play epic battles.

The LEGO® NINJAGO range of sets and buildable ninja toys for kids includes dragons, vehicles and temples so fans can role-play adventures with their heroes. Each ninja playset can be created with the LEGO Builder app, which guides you and your child on an easy and intuitive building adventure.

Ninja toy for kids – Boys and girls aged 7 and up can play out amazing battles from season 3 of the NINJAGO® Dragons Rising TV show with Kai’s Mech Storm Rider
Combo ninja vehicle toy – This large NINJAGO® vehicle can be separated into 2 smaller vehicles: Kai’s mech and Nya’s flying motorcycle so kids can enjoy even more ninja playtime
Packed with features – Kai’s mech has a posable head, arms and legs, a cockpit and a storm blade accessory, and Nya’s flying motorbike toy has a cockpit, movable wings and 2 spring-loaded shooters
3 NINJAGO® minifigures – Playset comes with Kai, Nya and a Dragonian Warrior, all with weapon accessories so kids can play out epic battles
Birthday gift for kids – This action toy provides a fun build-and-play experience and is a birthday gift idea for kids who love teaming up with their ninja heroes
Bigger ninja adventures – Look out for more LEGO® NINJAGO® toys (sets sold separately) to play out action with the Kai’s Mech Storm Rider
A universe of ninja toys – LEGO® NINJAGO® sets let kids escape into a fantasy world of adventures with their ninja heroes
Measurements – This 333-piece LEGO® building set for kids includes Kai’s Mech Storm Rider figure, which stands over 5.5 in. (14 cm) tall

Description: LEGO.com.

LEGO Kai's Mech Storm Rider: FAQ

Is the LEGO Kai's Mech Storm Rider retiring?

Yes: the LEGO Kai's Mech Storm Rider is retiring soon. LEGO flags it “Retiring soon” on LEGO.com (it already carried the flag when we started tracking on September 29, 2026). Expect it to be gone by December 31, 2026 at the latest (70 days), possibly sooner once stock runs out. It is temporarily out of stock on LEGO.com. LEGO doesn’t publish exact dates: this one is our estimate.

How much is the LEGO Kai's Mech Storm Rider?

The lowest price we found today is $49.97 at Amazon, out of 3 stores selling it today (regular price $49.99). Prices change often: this page is updated every day.

Should I buy the LEGO Kai's Mech Storm Rider now or wait?

Retiring by December 31, 2026: buy it while you can. LEGO is retiring it: we expect it gone from LEGO.com by December 31, 2026, in 70 days. The best price today is $49.97 at Amazon, just under LEGO’s regular price of $49.99. New copies of retired sets tend to get scarcer and pricier.