Kai's Dragon Mech Battle Pack (71851-1) is a set in the Ninjago theme, released in 2026. It has 70 pieces and 3 minifigures.
In numbers
Over the last 30 days the lowest shop price recorded for this set was 7.60 USD, taken from 30 days with a price on record.
Since 9/25/2026 the lowest shop price has fallen from 10.94 USD to 8.23 USD, by 25 % (based on 42 days with a price on record).
LEGO expects to retire this set in December 2027.
Product details
- Number
- 71851-1
- Name
- Kai's Dragon Mech Battle Pack
- Theme
- Ninjago
- Released
- January 2026
- Launched
- January 2026
- Retires
- December 2027 (expected)
- Pieces
- 70
- Minifigures
- 3
- RRP
- ≈ 9.32 USD (12.99 CAD) (Canada)≈ 11.26 USD (9.99 EUR) (Germany)≈ 12.14 USD (8.99 GBP) (United Kingdom)9.99 USD (United States)
- Price per piece
- ≈ 0.133 USD (0.186 CAD) (Canada)≈ 0.161 USD (0.143 EUR) (Germany)≈ 0.173 USD (0.128 GBP) (United Kingdom)0.143 USD (United States)
- Best price (30 days)
- 7.60 USD
- Price per piece (best offer)
- 0.118 USD
- Barcodes from shop data, not confirmed
- EAN-13 5702018031971EAN-13 5702018070505
BrickLink market data
We hold no current BrickLink prices for this set right now. BrickLink's own price guide is one click away.
Description from LEGO.com
LEGO® NINJAGO® mech playset with 3 minifigures
Read the full description
Boys, girls and fans of the NINJAGO® Dragons Rising TV show ages 6 and up can enjoy hours of imaginative play with the LEGO® NINJAGO Kai’s Dragon Mech Battle Pack (71851) building set. This playset features a dragon mech toy with posable legs, large wings, claw hands and an upper body that rotates 360 degrees, plus a cockpit to place a minifigure inside.This great value ninja toy also comes with 3 minifigures: Kai with 2 sword accessories, Sora with 2 swords and an Earth Monster toy with clawhands, letting kids enjoy hours of adventures as they act out scenes from season 4 of NINJAGO Dragons Rising.The LEGO NINJAGO range of building sets and adventure toys for kids includes detailed mechs, dragons and temples so fans can role-play awesome ninja action. Kids can build each playset with confidence using the LEGO Builder app – zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 85 pieces.
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Pricing
Price history
- Lowest shop price now8.23 USD
- Lowest ever 7.60 USD
Monthly lows as a table
| Month | Lowest price |
|---|---|
| November 2026 | 8.23 USD |
| October 2026 | 7.60 USD |
| September 2026 | 9.34 USD |
Price statistics by condition
Nobody has sold this set recently.
idee+spiel: 51 · Proshop: 40 · The Entertainer: 40 · LEGO® Shop (FR): 35 · Thalia: 30 · LEGO® Shop (DE): 28 · LEGO® Shop (BE): 27 · LEGO® Shop (GB): 27 · Hamleys: 26 · LEGO® Shop (AT): 26 · LEGO® Shop (CH): 26 · LEGO® Shop (CZ): 26 · LEGO® Shop (DK): 26 · LEGO® Shop (ES): 26 · LEGO® Shop (FI): 26 · LEGO® Shop (GR): 26 · LEGO® Shop (HU): 26 · LEGO® Shop (IE): 26 · LEGO® Shop (LU): 26 · LEGO® Shop (PT): 26 · LEGO® Shop (SE): 26 · LEGO® Shop (IT): 25 · LEGO® Shop (NL): 25 · LEGO® Shop (NO): 25 · LEGO® Shop (PL): 25 · LEGO® Shop (RO): 25 · LEGO® Shop (SK): 25 · Orell Füssli: 21 · Waterstones: 21 · bücher.de: 20 · Thalia (AT): 19 · LEGO® Shop (US): 18 · OTTO: 16 · Books-A-Million: 14 · MediaMarkt (AT): 13 · Joybuy (NL): 12 · Joybuy (FR): 11 · Conrad (BE): 7 · Conrad (DK): 7 · Conrad (NL): 7 · Conrad (DE): 6 · BRICKMO: 3
Latest price from each shop
Countries (all)
LEGO® Shop (US)
9.99 USD
On eBay
We have not seen a current eBay listing for this set.
Building instructions
Parts in this set
37 inventory lines
3 minifigures
Minifigures in this set
Same theme, piece count within 15 %