Ages 6+

Kai's Motorcycle Speed Race (71838)

Name: Kai's Motorcycle Speed Race
Brand: LEGO
SKU: 71838
Rating: 4.6 (4 reviews)

Prices last checked: 30 April 2026 at 18:01

LEGO.com RRP:

£8.99

LEGO.com

★4.6

(4 reviews)

🧱 79 pieces - : £0.11

Available From

Marketplace

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Price checked: 30 Apr 2026

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Best Deal

£9.00

Price checked: 30 Apr 2026

View Deal →

LEGO.comOfficial

£8.99

Price updated: 26 Apr 2026

View on LEGO →

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£8.97

at Amazon UK · Jan 2026

Average Price (12mo)

£8.99

Current vs Average

0.0%

Near average

Price Trend

Stable

Last 30 days

Best Month to Buy

January

Value Score

9.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for Kai's Motorcycle Speed Race is £8.97 at Amazon UK in January 2026. The current price is close to the 12-month average of £8.99. Historically, January tends to offer the best prices for this set.

Price History & Buying Verdict

VerdictGood time to buy

•The current best price of £9.00 is within 5% of the all-time low we've recorded (£8.97 at Amazon UK, January 2026).
•On price-per-piece, this is one of the better-value sets in the NINJAGO® range (value score 9.0/10 vs theme average).

We've been tracking the price of LEGO NINJAGO® Kai's Motorcycle Speed Race (79 pieces) for 102 days, recording 10 data points across LEGO.com and major UK retailers. Over that period the price has dropped 0 times below previous levels, with the lowest price ever recorded being £8.97 at Amazon UK in January 2026.

The 12-month average sale price for set 71838 works out to £8.99 — that's 0% above the LEGO RRP of £8.99. The highest price we recorded across our tracked retailers was £9.00, giving a range of about £0.03 between the cheapest and most expensive observation.

Historically, January has produced the lowest average prices for Kai's Motorcycle Speed Race, so if you're not in a hurry it's worth bookmarking the page closer to that window.

Want to see how LEGO Kai's Motorcycle Speed Race (set 71838) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Kai's Motorcycle Speed Race (71838) is a LEGO NINJAGO® set with 79 pieces, with an RRP of £8.99. It's currently available from £9.00 at argos_uk. Prices have been stable over the last 30 days. With a value score of 9.0/10, this set offers excellent value compared to other NINJAGO® sets.

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.

Features

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

Frequently Asked Questions about Kai's Motorcycle Speed Race

What is the best price for LEGO Kai's Motorcycle Speed Race (Set 71838)?

LEGO Kai's Motorcycle Speed Race (Set #71838) is currently priced at £8.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 71838?

LEGO Kai's Motorcycle Speed Race (Set #71838) contains 79 pieces. At the best available price of £9.00, that works out to approximately 11.4p per piece.

What age is LEGO Kai's Motorcycle Speed Race suitable for?

LEGO Kai's Motorcycle Speed Race (Set #71838) is recommended for ages 6+. This set is part of the LEGO NINJAGO® theme. View all NINJAGO® sets and deals.

Where can I find the building instructions for LEGO Kai's Motorcycle Speed Race?

You can download the official building instructions for LEGO Kai's Motorcycle Speed Race (Set #71838) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO Kai's Motorcycle Speed Race in the UK?

LEGO Kai's Motorcycle Speed Race (Set #71838) is available from 1 UK retailer including argos_uk. Prices range from £9.00. It's also available directly from LEGO.com at £8.99.

What is the lowest price ever recorded for LEGO Kai's Motorcycle Speed Race?

The lowest price we've recorded for LEGO Kai's Motorcycle Speed Race (Set #71838) is £8.97 at Amazon UK in January 2026. That's 0% off the LEGO RRP of £8.99. Track the latest movements on our LEGO price history page.

Is LEGO Kai's Motorcycle Speed Race good value for money?

Comparing piece-count to price across the LEGO NINJAGO® theme, this set scores 9.0 / 10 for value. That works out to about 11.4p per piece. That puts Kai's Motorcycle Speed Race in the top tier of NINJAGO® sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.