LEGO building set
Great building kit. My grandson is already very skilled at building it.
Retailer prices for 71734 are sorted by the latest lowest price.
Retailer pricesPrice history 71734
We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.
Daily lowest price tracked across 5 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 5 Dutch retailers, 14 Dec 2025 – 24 May 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €14,99 | BRICKshop | In stock | |
| €11,95 | Made in Billund | In stock | |
| €12,95 | 1001 FarmToys | In stock | |
| €14,99 | BRICKshop | In stock | |
| €11,95 | Made in Billund | In stock | |
| €12,95 | 1001 FarmToys | In stock | |
| €12,95 | 1001 FarmToys | In stock | |
| €14,99 | BRICKshop | In stock | |
| €11,95 | Made in Billund | In stock | |
| €14,99 | BRICKshop | In stock | |
| €11,95 | Made in Billund | In stock | |
| €12,95 | 1001 FarmToys | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Low likelihood of further drops. Current price is near the all-time low.
How LEGO 71734 compares to RRP and history.
For LEGO Kai's Blade Cycle (71734), we track 3 retailers in the Netherlands, with 3 currently in stock. The current lowest price is €11,95. Use price history and stock data to judge whether this is a good time to buy.
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 the whole family LEGO 4+ sets are a great way for adults to enjoy building with youngsters. The simple picture instructions are perfect to help 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.
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Kai's Blade Cycle (71734), we track 3 retailers in the Netherlands, with 3 currently in stock. The current lowest price is €11,95. Use price history and stock data to judge whether this is a good time to buy.
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 the whole family LEGO 4+ sets are a great way for adults to enjoy building with youngsters. The simple picture instructions are perfect to help 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.
The current lowest price is €11,95 across 3 tracked retailers.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Technic Pins
Technic Pin without Friction Ridges Lengthwise
Part ID 3673 · Yellow
Qty 7
Wheels and Tyres
Plates Special
Plate Special 1 x 2 with Three Teeth [Tri-Tooth]
Part ID 15208 · Pearl Gold
Qty 2
Plate Special 1 x 2 [Open O Top Clip]
Part ID 44861 · Light Bluish Gray
Qty 2
Plate Special 1 x 2 with Clip Horizontal on Side
Part ID 11476 · Yellow
Qty 1
Bars, Ladders and Fences
Bar Holder with Hole and Bar Handle
Part ID 23443 · Pearl Gold
Qty 2
Tiles
Tile 1 x 4 with Groove
Part ID 2431 · Dark Bluish Gray
Qty 2
Bricks Special
Brick Special 1 x 4 Palisade [aka Log]
Part ID 30137 · Reddish Brown
Qty 2
Bricks Round and Cones
Brick Round 1 x 1 Open Stud
Part ID 3062b · Trans-Neon Green
Qty 2
Bricks Curved
Slope Curved 3 x 1 No Studs
Part ID 50950 · Black
Qty 2
Slope Curved 4 x 1 Double with No Studs
Part ID 93273 · Dark Red
Qty 2
Brick Arch 1 x 4
Part ID 3659 · Light Bluish Gray
Qty 1
Transportation - Land
Vehicle Body, Motorcycle / Quadricycle Frame
Part ID 70682 · Red
Qty 2
Handlebars
Part ID 30031 · Black
Qty 1
Bricks Sloped
Slope 30° 1 x 2 x 2/3
Part ID 85984 · Dark Bluish Gray
Qty 2
Minifig Shields, Weapons, & Tools
Weapon Sword Katana with Dragon Guard (The Sword of Fire)
Part ID 93055 · Pearl Gold
Qty 2
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]
Part ID 21459 · Flat Silver
Qty 1
Weapon Pike / Spear Flat End
Part ID 93789 · Flat Silver
Qty 1
Animals / Creatures
Animal, Snake, Small
Part ID 30115 · Green
Qty 1
Plants & Trees
Plant, Round 1 x 1 - 3 Bamboo Leaves
Part ID 30176 · Green
Qty 1
Plates
Plate 2 x 4
Part ID 3020 · Dark Orange
Qty 1
Plate 4 x 6
Part ID 3032 · Tan
Qty 1
Technic Connectors
Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top]
Part ID 32530 · Dark Bluish Gray
Qty 1
Bricks Wedged
Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End
Part ID 47456 · Black
Qty 1
Projectiles / Launchers
Launcher, 1 x 4 with 1 x 2 Plate with Pin Hole and Bucket (Catapult)
Part ID 88289 · Black
Qty 1
Retailer reviews
Summarized retailer review data when available.
Great building kit. My grandson is already very skilled at building it.
It is beautiful, sturdy, and easy to assemble.
Everything is good.
My grandson is very happy with it.
LEGO. Always good, that's what I like about it.
All retailer prices
Current prices, stock and discounts per retailer.
Price context
Lowest, highest and average price for this set.
This context is based on 280 price points across 3 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
The chance of a further drop is low. The current price is near the lowest measurement.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Quick answers about price, stock and set data.