Kai's Motorcycle Speed Race

LEGO^® NINJAGO 71838 Kai's Motorcycle Speed Race

Name: LEGO® NINJAGO Kai's Motorcycle Speed Race 71838
Brand: LEGO
SKU: 71838
Availability: InStock

Current best price

LEGO 71838 is currently available from $15.48 incl. shipping at Bestbuy.com. Only one retailer in our comparison stocks it.

View the deal at Bestbuy.com

Updated November 1, 2026 at 8:00 PM EST

LEGO® NINJAGO Kai's Motorcycle Speed Race 71838 (1/9)

LEGO 71838 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated November 1, 2026 at 8:00 PM EST

Bestbuy.comBest price

$15.48

$9.99 + $5.49 shipping

Lego.com

Out of stock at LEGO

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Kai's Motorcycle Speed Race with the set number 71838 is part of the LEGO NINJAGO theme and is recommended for ages 6+. It was released in June 2025. It includes 2 minifigures. The model has 79 pieces, and we estimate it takes around < 1 hour to build. 63 Brickfact users have this set in their collection.

The set weighs about 0.131 kg. The box measures 19.1 x 14.1 x 4.6 cm. The recommended retail price is $9.99.

Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Bestbuy.com for $15.48 including shipping. That is $0.20 per piece. Unfortunately, the set is currently not available below its recommended retail price.

The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $17.88. You save around $2.40 if you buy the complete set at Bestbuy.com instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 1.16: the Part-Out-Value divided by the current best price on Brickfact.

Lego 71838 product data

Set Information

Set ID

71838

Theme

NINJAGO

Pieces

Building Time

< 1 hour

Age Range

Minifigures

Availability

Release

06/2025

Retiring Status

Retiring Soon (12/2026)

Price Information

RRP

$9.99

Insiders Points (for purchase at Lego)

Part Out Value

$17.88

Packaging

Weight

0.131 kg

EAN (GTIN13)

5702017815718

LEGO 71838 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $14.94 (9 days ago).

Current best price: $15.48 +55% vs. RRP
Best price since 10/12/2026: $14.94 +50% vs. RRP · 9 days ago

Lowest price per retailer (since 10/12/2026)

Since 10/12/2026, Bestbuy.com was the cheapest on 18 of 22 recorded days.

Retailer	Current	Lowest price	Date
Lego.com	–	$14.94	10/27/26
Bestbuy.com	$15.48	$15.48	11/02/26

As of: 11/02/2026, 00:00 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

Add to my collection

Popularity with Brickfact users

users have this set: 63
buyers in the last 12 months: 50

63 Brickfact users have Kai's Motorcycle Speed Race in their collection. 50 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 1, 2026.

LEGO 71838 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: $8.41
Market value vs. RRP: −15.8 % $9.99
Range: $7.50 – $8.75
Average: $8.27

Loading price history…

Minifigures from 71838 Kai's Motorcycle Speed Race

The Kai's Motorcycle Speed Race set includes 2 different minifigures, 1 of which are unique to this set. The combined value of the minifigures is $6.49, which is ~65% of the RRP of this set.

Kai - Dragons Rising, Tunic with Strap and Charm, Dragon Shoulder Armor

NINJAGO

2025

#njo0967

$2.99

2 sets

Spectral Dragonian Scout

NINJAGO

2025

#njo0968

$3.50

Unique

Official Set Description for LEGO 71838 Kai's Motorcycle Speed Race

Kai’s Motorcycle Speed Race (71838) playset lets boys and girls aged 6 and up recreate fast-paced scenes from season 3 of the NINJAGO® Dragons Rising TV show. The action-packed motorcycle toy battle set features 2 ninja bike toys with moving wheels: Kai’s race bike adorned with 2 daggers, and the villainous Spectral Dragonian Scout’s demon bike.

The ninja vehicle set includes 2 NINJAGO minifigures to ride the bikes: Kai armed with a translucent reveal blade accessory and 2 golden katana sword accessories, and a Spectral Dragonian Scout with a sword accessory, so kids can enjoy great imaginative play on their own or with their friends as they stage good vs. evil 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. Set contains 79 pieces.

Motorcycle toy for kids – Boys and girls aged 6 and up can play out race and battle scenes from season 3 of the NINJAGO® Dragons Rising TV show with Kai’s Motorcycle Speed Race playset
2 ninja bike toys – Action-packed battle set features 2 motorcycle toys with moving wheels: Kai’s race bike adorned with 2 daggers and the Spectral Dragonian Scout’s demon bike
2 NINJAGO® minifigures – Role-play set comes with ninja warrior Kai and a villainous Spectral Dragonian Scout to ride the bike toys
Ninja weapons – Kai is armed with a translucent reveal blade accessory and 2 golden katana sword accessories, and the Spectral Dragonian Scout has a sword accessory
Small gift for kids – This adventure toy provides a fun build-and-play experience and is an everyday treat for kids who love social play with friends as they join forces with their ninja heroes
Bigger ninja adventures – Look out for more LEGO® NINJAGO® toys (sets sold separately) to enhance the action with Kai’s Motorcycle Speed Race
A universe of ninja toys – LEGO® NINJAGO® sets let kids escape into a fantasy world of adventures with their ninja heroes
Measurements – 79-piece LEGO® building set for kids includes Kai’s ninja bike toy, which measures over 1.5 in. (4 cm) high, 3.5 in. (9 cm) long and 1 in. (3 cm) wide

Building Instruction for LEGO 71838 Kai's Motorcycle Speed Race

Part Lists for LEGO 71838 Kai's Motorcycle Speed Race

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 71838 Frequently Asked Questions

How much does LEGO 71838 Kai's Motorcycle Speed Race cost?

The lowest price in the Brickfact price comparison is currently $15.48 incl. shipping at Bestbuy.com. The RRP is $9.99.

Where can I buy LEGO 71838 cheapest?

Only one retailer in the Brickfact price comparison currently stocks LEGO 71838: Bestbuy.com ($15.48).

Is LEGO 71838 still available?

Yes, but LEGO 71838 is retiring soon. It is still available at 1 retailers in our price comparison.

When was LEGO 71838 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 71838 was $14.94 on 10/24/2026 at Lego.com, including shipping. Amazon prices are not included.