4.5
(19.005)

LEGO® 71707 Kai's Mech Jet

Specifications

  • Brand: LEGO
  • Theme: NINJAGO
  • Ages: 7 - 99
  • Total parts: 217
  • Launch Date: 01-01-2020
  • Weight: 347 gram
  • Dimensions: 19,10cm x 26,20cm x 4,60cm
  • EAN code: 5702016616934
Check out the 2026 LEGO® catalog!
LEGO Catalog 2026 1HY

Browse through the LEGO® catalog and be surprised.

View the catalog
Description LEGO® NINJAGO: Kai's Mech Jet

Fly Digi Kai’s awesome Mech Jet in the Speedway Five-Billion race to win one of the prized Key-Tanas and escape Prime Empire. Transform from the powerful mech with digi blades into a Jet and fire its stud shooters! But beware of Richie from the Rat Pack who is chasing Digi Kai on his hoverboard and determined to defeat him. Can you fight him off and win the race?

  • Brilliant LEGO® NINJAGO® building kit for kids featuring Kai’s Mech Jet. This toy playset will be adored by kids who love buildable toys and creating exciting stories with NINJAGO figures and mech toys
  • This building set includes a NINJAGO® Mech that rebuilds into a toy plane, 2 minifigures: NINJAGO® Kai and Richie, and a Key-Tana. Together they will fuel kids' creativity as they re-enact scenes from Prime Empire
  • New for January 2020, this toy jet plane creates a world of possibilities as it can also be rebuilt into a powerful mech toy with posable arms and legs and shoot studs
  • This 217-piece action toy is a rewarding build for boys and girls aged 7+ and makes a great Christmas gift. The awesome building set will inspire kids to embrace imaginative play as they bring to life their favourite ninjas
  • LEGO® NINJAGO® Mech action toys are the perfect size to play with at home or take with you for fun on the go. The mech measures 6” (16 cm) high and 9” (25 cm) wide
  • No batteries are required for this construction toy – it’s simply fuelled by kids’ vivid imaginations, so you never need to leave the NINJAGO® realm
  • The perfect ninja playset to give to a young LEGO® builder. The bricks and buildable figures come with paper instructions, as well as the amazing digital and interactive Instructions Plus guide on the free LEGO Life app
  • LEGO® NINJAGO® collectible buildable toys let kids enter a thrilling world of fantasy action and create stories with their favourite ninjas as they take on the forces of evil
  • LEGO® bricks have met the highest industry standards for more than 60 years, ensuring they are always consistent, compatible and easily pull apart every time. LEGO always delivers quality here on earth or in the action-packed NINJAGO® realm
  • These LEGO® bricks and pieces have been relentlessly tested and meet the highest global safety and quality standards. With LEGO playsets, you always have your peace of mind

Become a member of ToyPro

Receive the weekly ToyPro newsletter and stay up to date on the latest news about ToyPro and LEGO®, MOCs and much more. Discover LEGO®

Successful! ToyPro will keep you updated from now on. Welcome to the club.

Find parts from your LEGO set
customer service

Are you missing a part from a LEGO set? Look it up easily by entering the set number below.

Minifigures from LEGO® 71707 Kai's Mech Jet
LEGO® minifig Richie
$6.91
  • LEGO Richie
  • LEGO Richie
  • LEGO Richie
  • LEGO Richie
Add to Cart
View or order
LEGO® minifig Kai - Digi Kai
$10.31
Sold out!
  • LEGO Kai - Digi Kai
  • LEGO Kai - Digi Kai
  • LEGO Kai - Digi Kai
  • LEGO Kai - Digi Kai
Out of stock
View or order
Parts from LEGO® 71707 Kai's Mech Jet
LEGO® 4121934 Slope 2 x 1 - 45°
$0.10
  • LEGO Slope 2 x 1 - 45°
  • LEGO Slope 2 x 1 - 45°
  • LEGO Slope 2 x 1 - 45°
  • LEGO Slope 2 x 1 - 45°
Add to Cart
View or order
LEGO® 4211043 Plate 2 x 3
$0.17
  • LEGO Plate 2 x 3
Add to Cart
View or order
LEGO® 4211095 Brick, Modified 1 x 2 Log
$0.12
  • LEGO Brick, Modified 1 x 2 Log
Add to Cart
View or order
LEGO® 4210660 Plate, Modified 1 x 2 with Handle on Side -…
$0.09
  • LEGO Plate, Modified 1 x 2 with Handle on Side -…
  • LEGO Plate, Modified 1 x 2 with Handle on Side -…
  • LEGO Plate, Modified 1 x 2 with Handle on Side -…
Add to Cart
View or order
Previously viewed by you
LEGO® 76429 Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
  • LEGO Talking Sorting Hat™
Buy now (#ad) View or order
LEGO® 75547 Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
  • LEGO Minion Pilot in Training
Buy now (#ad) View or order
LEGO® 75196 A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
  • LEGO A-Wing™ vs. TIE Silencer™ Microfighters
Buy now (#ad) View or order
LEGO® 21589 Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
  • LEGO Mini Biomes
Buy now (#ad) View or order
Other popular LEGO® Ninjago sets
LEGO® 71848 The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
  • LEGO The Temple Bounty
Buy now (#ad) View or order
LEGO® 71847 The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
  • LEGO The Guardian Dragon
Buy now (#ad) View or order
LEGO® 71846 The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
  • LEGO The Fire Knight Mech
Buy now (#ad) View or order
LEGO® 71860 Lloyd's Titan Mech 15th Anniversary
  • LEGO Lloyd's Titan Mech 15th Anniversary
  • LEGO Lloyd's Titan Mech 15th Anniversary
  • LEGO Lloyd's Titan Mech 15th Anniversary
Buy now (#ad) View or order
Always a good choice - a ToyPro gift card!
Gift card $7.50
$7.50
  • Gift card $7.50
Add to Cart
View or order
Gift card $10.00
$10.00
  • Gift card $10.00
Add to Cart
View or order
Gift card $25.00
$25.00
  • Gift card $25.00
Add to Cart
View or order
Gift card $50.00
$50.00
  • Gift card $50.00
Add to Cart
View or order
Latest news items