Kai's Blade Cycle!
Roar into action with Ninja power!

Team up with Kai and his motorcycle to battle the evil Rattla. A perfect set for young ninja aged 4+ to learn building skills!

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LEGO Retiring Soon List – October 2026 Update

The Brick Fan • about 10 hours ago
🏛 Ninjago
Set #71734

Kai's Blade Cycle

Kai's Blade Cycle is a fantastic entry point into the Ninjago universe.

Before you buy

Who it's for
Ages 4+ · Beginner build Young children aged 4+ who are new to LEGO building and Ninjago fans.
Build
54 pieces · about 0.5 hours Build time is an estimate.
Price
$9.99 list price · 18.5¢ per piece
Availability
Retired at LEGO
★★★☆☆ 3.5 community rating from 38 ratings

A well-received starter set, praised for its simple build and playability. Critics note the small size and limited challenge for experienced builders, but overall it's considered a good value for younger children.

MSRP
$9.99
Best Price
$8.99
You Save
10% OFF
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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 Blade Cycle is a fantastic entry point into the Ninjago universe. This small but mighty set captures the essence of the theme with its sleek design, vibrant colors, and iconic ninja weaponry, making it an appealing introduction for young builders and Ninjago enthusiasts.

This set is perfect for younger LEGO fans and those seeking a quick, satisfying build. With only 54 pieces, it's an ideal starter kit for children aged 4 and up, fostering their building skills while providing an engaging play experience with the included minifigures and catapult toy.

Skip this if you're an experienced builder looking for a challenging project or a large display piece. This set is geared towards younger children, so adult collectors might find it too simplistic; consider larger Ninjago sets like the Temple of Airjitzu for a more complex build.

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How does this set compare to other Ninjago starter sets? What other Ninjago sets would complement this one for play? Is this set a good value for its piece count and play features? How durable is the build for active play by young children?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
54
Pieces
⏱
0.5h
Estimated Build Time
📊
Beginner
Difficulty
📏
11cm × 4cm × 5cm
Dimensions
Build Highlights:
  • Easy-to-follow instructions perfect for young builders
  • Quick build allowing for instant gratification
  • Includes a simple catapult for added playability
  • Features iconic Ninjago ninja and a serpentine villain

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
→ Price stable
C+
Investment Grade
⏳ Retired
Kai's Blade Cycle, while a small set, has some potential as a minor investment. Its low price point makes it accessible, and the Ninjago theme maintains consistent popularity. As a retired set, it may see a slight increase in value over time, especially if kept in pristine condition. However, its small size and common minifigures limit its potential for significant appreciation. It's a low-risk, low-reward investment, primarily driven by the enduring appeal of the Ninjago brand.

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

⚖ Compare Similar Sets

Compared to other small Ninjago sets, Kai's Blade Cycle offers a simple and accessible building experience. Other starter sets might include more complex builds or additional minifigures, but this set provides a good balance of ease of construction and playability. It's a great choice for introducing young children to the Ninjago theme without overwhelming them with a large or complicated build.

2 Minifigures Included

The set includes Kai (Legacy) and Serpentine Rattla minifigures. Kai is a common character, while Rattla offers a unique serpentine villain for play scenarios.

📦 Parts Inventory

Official piece count
54
Parts cataloged in this inventory
26 unique parts, 46 pieces
Minifigures
2

The official piece count includes the 8 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

This set features a few Pearl Gold elements which can be useful for adding accents to MOCs. The red motorcycle frame is also a specific vehicle part.

🛒 Where to Buy

eBay
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LEGO (UK)
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£8.99
Walmart
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$9.49
Target
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$9.99
LEGO (DE)
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€9.99
LEGO (US)
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$9.99
LEGO (CA)
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$13.99

💎 Notable Parts

Pearl Gold Plate Special 1 x 2 with Three Teeth [Tri-Tooth] (2x) $0.50
Pearl Gold Weapon Sword Katana with Dragon Guard (The Sword of Fire) (2x) $1.00
Red Vehicle Body, Motorcycle / Quadricycle Frame (2x) $2.00
Est. BrickLink Part Value
$3.50

💡 MOC Potential

🚗 Futuristic speeder bike modifications
🤖 Small mech suit for Kai
🏰 Ninjago outpost extensions

Community Insights

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📖 Building Instructions 2

Kai's Blade Cycle Instructions
BI 3102, 64+4, 71734 V29
Download PDF
Kai's Blade Cycle Instructions
BI 3102, 64+4, 71734 V39
Download PDF

Charts Inventory Statistics

26
Unique Parts
54
Official Piece Count
46
Cataloged Inventory Pieces
2
Minifigures
1
Spare Parts

The official piece count includes the 8 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Inventory Version: 1

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