Good product
The ratio of pages, characters, and cost is good. It is liked by children and ensures a certain level of playability, even when played alone.
Retailer prices for 71731 are sorted by the latest lowest price.
Retailer pricesPrice history 71731
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 1 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 1 Dutch retailers, 15 Dec 2025 – 9 Feb 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock | |
| €27,49 | Bol.com | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Signal is mixed. Small movements are more likely than a big drop.
Context for 71731, prices and availability.
This impressive Epic Battle Set – Zane vs. Nindroid (71731) allows kids to create their own thrilling fights between ninja Zane and a Nindroid robot warrior. The high-action playset also features a brick-built Nindroid factory and a spinning battle toy for NINJAGO® fans to include in their exciting duels. The ultimate cool toy for kids The ninja battle toy features 2 minifigures: a new-for-January-2021 Zane and a Legacy Nindroid warrior from the LEGO NINJAGO TV series. Your little ninja will love spending hours plotting thrilling fights, while the 4 white weapons add another dimension to the action. The best toy playsets for ninja adventures LEGO NINJAGO playsets take kids away from their screens to enjoy imaginative adventures in a fantasy world of action. They will love learning valuable life skills and teaming up with their heroes as they play out scenes with a cool collection of ninja toys, including mechs and dragons. LEGO® NINJAGO® Epic Battle Set – Zane vs. Nindroid (71731) allows kids to create their own ninja action scenes between their hero Zane and a dangerous Nindroid. Ninja toy playset features 2 minifigures: a new-for-January-2021 Zane and a Legacy Nindroid from the NINJAGO® TV series, and 4 exclusive white weapons. The ninja battle toy also includes a small brick-built Nindroid factory and a spinning battle platform for Zane to use to knock over his opponent in their awesome clashes. This 56-piece battle playset is a fun building experience for kids aged 6 and up and the perfect birthday gift or surprise treat to make them happy. The Nindroid factory measures over 1 in. (3 cm) high, 2.5 in. (6 cm) wide and 3 in. (8 cm) deep – a great size for fun at home or to take to a friend’s house for more fun. Recreate even bigger LEGO® NINJAGO® epic battles with other sets: Kai vs. Skulkin (71730), Jay vs. Serpentine (71732) and Cole vs. Ghost Warrior (71733). LEGO® NINJAGO® sets take kids away from their screens into a world of imaginative play where they can learn positive life skills on adventures with their ninja heroes. For more than six decades LEGO® bricks have been made from the highest-quality materials to ensure they consistently pull apart. Ninja skills not needed! LEGO® building bricks meet the highest safety standards in the world.
All about this set
Background, build experience, collector context, and buying notes in one story.
This impressive Epic Battle Set – Zane vs. Nindroid (71731) allows kids to create their own thrilling fights between ninja Zane and a Nindroid robot warrior. The high-action playset also features a brick-built Nindroid factory and a spinning battle toy for NINJAGO® fans to include in their exciting duels. The ultimate cool toy for kids The ninja battle toy features 2 minifigures: a new-for-January-2021 Zane and a Legacy Nindroid warrior from the LEGO NINJAGO TV series. Your little ninja will love spending hours plotting thrilling fights, while the 4 white weapons add another dimension to the action. The best toy playsets for ninja adventures LEGO NINJAGO playsets take kids away from their screens to enjoy imaginative adventures in a fantasy world of action. They will love learning valuable life skills and teaming up with their heroes as they play out scenes with a cool collection of ninja toys, including mechs and dragons. LEGO® NINJAGO® Epic Battle Set – Zane vs. Nindroid (71731) allows kids to create their own ninja action scenes between their hero Zane and a dangerous Nindroid. Ninja toy playset features 2 minifigures: a new-for-January-2021 Zane and a Legacy Nindroid from the NINJAGO® TV series, and 4 exclusive white weapons. The ninja battle toy also includes a small brick-built Nindroid factory and a spinning battle platform for Zane to use to knock over his opponent in their awesome clashes. This 56-piece battle playset is a fun building experience for kids aged 6 and up and the perfect birthday gift or surprise treat to make them happy. The Nindroid factory measures over 1 in. (3 cm) high, 2.5 in. (6 cm) wide and 3 in. (8 cm) deep – a great size for fun at home or to take to a friend’s house for more fun. Recreate even bigger LEGO® NINJAGO® epic battles with other sets: Kai vs. Skulkin (71730), Jay vs. Serpentine (71732) and Cole vs. Ghost Warrior (71733). LEGO® NINJAGO® sets take kids away from their screens into a world of imaginative play where they can learn positive life skills on adventures with their ninja heroes. For more than six decades LEGO® bricks have been made from the highest-quality materials to ensure they consistently pull apart. Ninja skills not needed! LEGO® building bricks meet the highest safety standards in the world.
When current prices are available, buying context appears here.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Bricks
Brick 1 x 2 x 2 with Inside Stud Holder
Part ID 3245c · Light Bluish Gray
Qty 4
Brick 2 x 2 Corner
Part ID 2357 · Black
Qty 2
Minifig Shields, Weapons, & Tools
Weapon Sword Hilt with Dragon Head
Part ID 36017 · Pearl Gold
Qty 1
Tool Chainsaw Blade
Part ID 6117 · Dark Bluish Gray
Qty 1
Weapon Lightsaber Hilt with Bottom Ring
Part ID 64567 · Red
Qty 1
Plates Special
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Part ID 15573 · Red
Qty 2
Plate Special 1 x 2 with Handle on End [Closed Ends]
Part ID 60478 · Red
Qty 2
Plate Special 1 x 2 with Door Rail
Part ID 32028 · Black
Qty 1
Plates Round Curved and Dishes
Plate Round Half 4 x 8
Part ID 22888 · Dark Bluish Gray
Qty 2
Plate Round 1 x 1 with Solid Stud
Part ID 6141 · Flat Silver
Qty 1
Plates
Plate 1 x 2
Part ID 3023 · Trans-Red
Qty 2
Plate 1 x 8
Part ID 3460 · Black
Qty 1
Plate 2 x 6
Part ID 3795 · Dark Bluish Gray
Qty 1
Bricks Sloped
Slope 45° 2 x 1 with Bottom Pin
Part ID 3040b · Black
Qty 2
Slope 65° 2 x 1 x 2
Part ID 60481 · Dark Purple
Qty 2
Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Part ID 54200 · Black
Qty 1
Bricks Round and Cones
Brick Round 1 x 1 Open Stud
Part ID 3062b · Red
Qty 2
Brick Round 2 x 2 with Axle Hole
Part ID 3941 · White
Qty 2
Bars, Ladders and Fences
Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]
Part ID 48729b · Light Bluish Gray
Qty 2
Bar Holder with Clip
Part ID 11090 · Dark Bluish Gray
Qty 1
Bar 1 x 8 x 2
Part ID 2486 · Dark Bluish Gray
Qty 1
Antenna 1 x 4 with Flat Top
Part ID 3957b · Light Bluish Gray
Qty 1
Windows and Doors
Window 1 x 2 x 3 Flat Front
Part ID 60593 · Black
Qty 2
Minifig Neckwear
Minifig Neckwear Bandana (Ninjago)
Part ID 15619 · Dark Azure
Qty 1
Tiles
Tile 1 x 4 with Groove
Part ID 2431 · Black
Qty 1
Bricks Special
Brick Special 1 x 2 Palisade [aka Log]
Part ID 30136 · Light Bluish Gray
Qty 1
Technic Bricks
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
Part ID 32064a · Black
Qty 1
Hinges, Arms and Turntables
Turntable 2 x 2 x 1
Part ID 40145 · Black
Qty 1
Minifig Accessories
Equipment Weapon, Loudhailer / Speaker / Blaster / Space Gun
Part ID 4349 · Red
Qty 1
Technic Axles
Technic Axle 3
Part ID 4519 · Light Bluish Gray
Qty 1
Technic Connectors
Technic Axle Connector Smooth [with x Hole + Orientation]
Part ID 59443 · Black
Qty 1
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)
Part ID 6553 · Light Bluish Gray
Qty 1
Wheels and Tyres
Tyre 14 x 4 Smooth Small Single [New Style]
Part ID 59895 · Black
Qty 1
Retailer reviews
Summarized retailer review data when available.
The ratio of pages, characters, and cost is good. It is liked by children and ensures a certain level of playability, even when played alone.
My child loved them, that's all I need to say.
This gift made my grandson very happy.
Great set, 4 year old loved it
What I like about this product: sturdy and sufficient stock!
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 28 price points across 0 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
The signal is mixed. Small movements are more likely than a large drop.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Quick answers about price, stock and set data.