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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🏛 Ninjago
Set #71734

Kai's Blade Cycle

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

🏆 Best For: Young children aged 4+ who are new to LEGO building and Ninjago fans. ⏱ 0.5 hr build 🧩 54 pcs 🎂 Ages 4+
★★★☆☆ 3.3

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

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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🧱 Building Experience

🧩
54
Pieces
0.5h
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

→ Price stable
C+
Investment Grade
⏳ Active
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

📖 About This Set

Kids can develop their building skills with the impressive Kai’s Blade Cycle (71734). It features a motorcycle toy, a catapult toy that can launch objects and 2 minifigures, so little builders will be enthralled for countless hours.

Learn to build with LEGO® starter kits
This LEGO toy has been specially designed to give kids aged 4 and up a brilliant build-and-play experience. Inside the box, each bag of bricks has a model and a character to build so kids can quickly get the action underway. There is also a Starter Brick to provide a partly constructed base to start building.

Fun for all the family
LEGO 4+ sets are a great way for adults to enjoy building with youngsters. The simple picture instructions are perfect to help guide kids through the building process. The sets also come with Instructions PLUS on the LEGO Building Instructions app. This interactive guide includes zoom, ghost and rotate tools to help children get the most from the experience.

  • LEGO® NINJAGO® Kai’s Blade Cycle (71734) set helps kids learn how to build before they recreate ninja adventures with a motorcycle toy and a catapult toy that launches objects.
  • Playset includes 2 minifigures: ninja Kai and the evil snake warrior Rattla, plus a Starter Brick to get the building and play started quickly.
  • Kids can use the fantastic ninja motorcycle toy to stage exciting battles against Rattla and his working catapult toy.
  • Know a kid aged 4 and up who deserves a special treat? This is an ideal reward that guarantees them endless hours of fun. Makes a great birthday or holiday gift too.
  • Kai’s Blade Cycle measures over 1.5 in. (4 cm) tall, 4.5 in. (11 cm) long and 2 in. (5 cm) wide – the perfect size to display in a child’s bedroom between playtime battles.
  • Simple picture instructions mean kids will be carefully guided through the building process.
  • Youngsters can make their building experience even better with digital Instructions PLUS. With the zoom, rotate and ghost modes, the building becomes part of the fun.
  • 4+ playsets are a great way for youngsters to learn how to build, while also allowing the rest of the family to share the fun.
  • For more than 6 decades, LEGO® bricks have been made from high-quality materials to ensure they connect and pull apart consistently every time – ninja skills and strength not needed!
  • LEGO® building bricks meet stringent safety standards, so you know kids are in safe hands.

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.

📦 Full Parts Inventory - 26 unique parts • 46 total pieces

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
✓ In Stock
$8.99
LEGO (UK)
✓ In Stock
£8.99
Walmart
✓ In Stock
$9.49
Target
✓ In Stock
$9.99
LEGO (DE)
✓ In Stock
€9.99
LEGO (US)
✓ In Stock
$9.99
LEGO (CA)
✓ In Stock
$13.99
Amazon

💎 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
46
Total Pieces
2
Minifigures
Inventory Version: 1