How many pieces are in the Kai's Motorcycle Speed Race?

Kai's Motorcycle Speed Race contains 79 pieces.

What age is the Kai's Motorcycle Speed Race recommended for?

This set is recommended for ages 6+.

When was the Kai's Motorcycle Speed Race released?

Kai's Motorcycle Speed Race was released in 2025.

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⚠ RETIRING SOON

LEGO Kai's Motorcycle Speed Race set 71838

1 / 8

🏛 Ninjago

Set #71838

Kai's Motorcycle Speed Race

Kai's Motorcycle Speed Race is a thrilling entry point into the Ninjago universe.

Before you buy

Who it's for: Ages 6+ · Beginner build Perfect for young LEGO fans and Ninjago enthusiasts aged 6+
Build: 79 pieces · about 0.8 hours Build time is an estimate.
Price: $9.99 list price · 12.6¢ per piece
Availability: Retiring soon · expected exit Dec 31, 2026

★★★☆☆ 3.8 community rating from 58 ratings

Fans appreciate the set's affordability and the dynamic motorcycle designs. The minifigures are a highlight, though some find the build a bit too simple for experienced builders. Overall, it's considered a fun and accessible entry point into the Ninjago theme.

$9.99

Best Price

$8.99

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Kai's Motorcycle Speed Race is a thrilling entry point into the Ninjago universe. This set perfectly captures the high-octane energy of the theme with its sleek motorcycle designs and dynamic minifigures.

This set is perfect for young Ninjago fans and LEGO speeder enthusiasts. The build is quick and satisfying, making it a great starter set, and the play value is high with two vehicles for head-to-head action.

Skip this if you're looking for a complex building experience or a large display piece. Consider larger Ninjago sets like the Temple of the Dragon Energy Cores for a more involved build and impressive shelf presence.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Kai's Motorcycle Speed Race - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this set compare to other Ninjago vehicles in terms of building techniques? What are some creative ways to expand the play scenarios with this set? Is this set a good value for the price considering the minifigure selection and piece count? How would this set look displayed alongside other Ninjago sets?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

Pieces

⏱

0.75h

Estimated Build Time

📊

Beginner

Difficulty

📏

4cm × 9cm × 3cm

Dimensions

Build Highlights:

Simple and engaging build process
Focus on vehicle construction with unique shaping
Incorporates play features for interactive fun
Bright color scheme and dynamic design

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

→ Price stable

C+

Investment Grade

⏳ Retiring soon

Kai's Motorcycle Speed Race presents a modest investment opportunity. As a smaller, more affordable Ninjago set, its appeal lies in its accessibility and play value. While it may not appreciate significantly, the Ninjago theme's consistent popularity could provide a steady demand on the secondary market, especially if the set retires soon. The inclusion of exclusive minifigure parts could further enhance its value. However, lower piece count sets tend to appreciate less than larger, more complex models.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

This set offers a lower price point compared to larger Ninjago vehicle sets, making it an accessible entry into the theme. While it lacks the complexity of sets like the Ninja Ultra Combo Mech, it provides a quick and fun build experience focused on play. For collectors primarily interested in display, larger Ninjago temple or dragon sets would be more appealing.

2 Minifigures Included

Kai, Red Shoulder Armor and Mask, Hair

5 parts

Spectral Dragonian Warrior, Legs, Short Horns

7 parts

The set features two minifigures: Kai with unique shoulder armor and a Spectral Dragonian Warrior. Kai's hair piece is a nice addition, allowing for display without the mask. The Spectral Dragonian Warrior has short horns and detailed leg printing.

📦 Parts Inventory

Official piece count: 79
Parts cataloged in this inventory: 28 unique parts, 67 pieces
Minifigures: 2

The official piece count includes the 12 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Brick Curved 2 x ...

Part #: 11477 1× Red

Brick Curved 2 x ...

Part #: 11477 1× Black

Plate Special 1 x...

Part #: 15208 1× Light Aqua

Plate Special 1 x...

Part #: 15573 2× Bright Light Orange

Plate Special 1 x...

Part #: 15573 1× Red

Plate Special 1 x...

Part #: 15573 1× Light Aqua

Plate Special Rou...

Part #: 1745 2× Light Aqua

Brick Curved Inve...

Part #: 1750 1× Black

Weapon Sword / Ka...

Part #: 21459 2× Pearl Gold

Handlebars

Part #: 30031 2× Black

Plate 2 x 3

Part #: 3021 1× Dark Red

Plate 2 x 2

Part #: 3022 4× Black

Plate 2 x 2

Part #: 3022 1× Red

Bracket 1 x 1 - 1...

Part #: 36840 1× Bright Light Orange

Plate Special 1 x...

Part #: 3839b 1× Pearl Gold

Plate Special 1 x...

Part #: 44861 3× Black

Part #: 54200 1× Trans-Light Blue

Wheel 18 x 14 wit...

Part #: 55981 2× Red

Wheel 18 x 14 wit...

Part #: 55981 2× Black

Plate Round 1 x 1...

Part #: 6141 2× Pearl Gold

Weapon Hilt Symme...

Part #: 66909 1× Dark Bluish Gray

Plant / Animal Bo...

Part #: 69858 3× Light Aqua

Weapon Sword, Bro...

Part #: 7182pat0001 1× Pearl Gold

Wheel Fork with 2...

Part #: 77598 4× Dark Bluish Gray

Technic Pin Long ...

Part #: 77765 4× Light Bluish Gray

Plate Special 1 x...

Part #: 78257 1× Black

Tyre 24 x 14 Shal...

Part #: 89201 2× Black

Tyre 30.4 x 14 Of...

Part #: 92402 2× Black

Weapon Sai

Part #: 98139 2× Pearl Gold

Tile Special 1 x ...

Part #: 99563 2× Black

Bracket 1 x 2 - 1...

Part #: 99780 4× Light Bluish Gray

Bracket 1 x 2 - 1...

Part #: 99781 4× Black

This set contains a good selection of bracket pieces in black and light bluish gray, useful for SNOT (Studs Not On Top) building techniques. The inclusion of light aqua elements adds a pop of color and could be useful for water-themed MOCs.

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💎 Notable Parts

Black Plate Special 1 x 2 [Open O Top Clip] (3x) $0.45

Red Plate Special 1 x 2 [Open O Top Clip] (3x) $0.45

Light Aqua Plate Round 1 x 2 Half Circle with Stud (Jumper) (2x) $0.50

Bright Light Orange Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) (2x) $0.30

Pearl Gold Weapon Sword, Broad with Trans-Red Blade pattern (1x) $0.75

Est. BrickLink Part Value

$2.45

💡 MOC Potential

🚗 Alternate motorcycle designs

🤖 Small mech suits for the minifigures

🏙 Modular additions to a Ninjago city layout

Community Insights

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📖 Building Instructions 2

BI 3102, 44, 71838 V29

Download PDF

BI 3102, 44, 71838 V39

Download PDF

Inventory Statistics

Unique Parts

Official Piece Count

Cataloged Inventory Pieces

Minifigures

Spare Parts

The official piece count includes the 12 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.