Soar into Prime Empire!
With Kai's Mech Jet!

Build this 226-piece set from 2020, transform from mech to jet, and help Digi Kai win the Speedway Five-Billion race!

🏛 Ninjago
Set #71707

Kai's Mech Jet

Discover the Kai's Mech Jet from the Ninjago collection - 226 pieces of building excellence.

⏱ 1-2 hr 🧩 226 pcs

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📦 Full Parts Inventory - 90 unique parts • 204 total pieces

Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Plate Special 2 x...
Part #: 10247 Black
Tile Special 2 x 2 Inverted Tile Special 2 x ...
Part #: 11203 Black
Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Bracket 5 x 2 x 1...
Part #: 11215 Black
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Red
Plate Special 1 x 2 with 5.9mm Centre Side Towball Plate Special 1 x...
Part #: 14417 Dark Bluish Gray
Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate Special 1 x...
Part #: 14704 Light Bluish Gray
Slope Curved 2 x 2 x 2/3 Slope Curved 2 x ...
Part #: 15068 White
Plate Special 1 x 1 with Vertical Tooth Plate Special 1 x...
Part #: 15070 White
Launcher Trigger, Weapon Gun Trigger Launcher Trigger,...
Part #: 15392 Dark Bluish Gray
Launcher, Plate Special 1 x 2 with Mini Blaster Launcher, Plate S...
Part #: 15403 Black
Tile Round 2 x 2 with Hole Tile Round 2 x 2 ...
Part #: 15535 Black
Tile Special 1 x 1 with Clip with Rounded Edges Tile Special 1 x ...
Part #: 15712 Black
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 Black
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 Black
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Weapon Sword / Ka...
Part #: 21459 Orange
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Weapon Sword / Ka...
Part #: 21459 Yellowish Green
Plate Special 1 x 2 with End Towball Plate Special 1 x...
Part #: 22890 Dark Bluish Gray
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Red
Slope Curved 2 x 1 Inverted Slope Curved 2 x ...
Part #: 24201 Red
Technic Axle 3 with Stop Technic Axle 3 wi...
Part #: 24316 Reddish Brown
Plate Special 1 x 2 Side Handle [Free Ends] Plate Special 1 x...
Part #: 2540 Dark Bluish Gray
Equipment Boomerang Equipment Boomerang
Part #: 25892 White
Wedge Plate 2 x 2 Cut Corner Wedge Plate 2 x 2...
Part #: 26601 Dark Red
Weapon Pike / Spear Tip with Bar Weapon Pike / Spe...
Part #: 27257 Trans-Neon Orange
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 Black
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 Dark Bluish Gray
Plate Special / Shield Rectangular with 4 Studs, Handle Plate Special / S...
Part #: 30166 Dark Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Red
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Dark Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 10× Coral
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 Trans-Neon Orange
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 Trans-Neon Green
Arm Mechanical with 2 Clips [Battle Droid] Arm Mechanical wi...
Part #: 30377 White
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Red
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Clear
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Red
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 Red
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a White
Slope Curved 2 x 2 x 2/3 Inverted Slope Curved 2 x ...
Part #: 32803 Black
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 Dark Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Red
Technic Bush Technic Bush
Part #: 3713 Light Bluish Gray
Weapon Sword Curved Blade with Bar Weapon Sword Curv...
Part #: 37341a Trans-Neon Green
Weapon Dagger / Knife with Flat Hilt End and Curved Blade, Cross Hatched Grip Weapon Dagger / K...
Part #: 37341b Trans-Neon Green
Weapon Sword Blade with Bar, Square Crossguard Weapon Sword Blad...
Part #: 37341c Trans-Neon Green
Weapon Scythe / Hook with Bar Weapon Scythe / H...
Part #: 37341d Trans-Neon Green
Weapon Scythe / Hook with Double Blades Weapon Scythe / H...
Part #: 37341e Trans-Neon Green
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Black
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Light Bluish Gray
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Trans-Neon Orange
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Black
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 Red
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 Red
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 Red
Flag 2 x 2 Trapezoid with Flat Area between Clips Flag 2 x 2 Trapez...
Part #: 44676 White
Technic Axle 3 Technic Axle 3
Part #: 4519 Light Bluish Gray
Dish 2 x 2 Inverted [Radar] Dish 2 x 2 Invert...
Part #: 4740 Trans-Clear
Wedge Plate 4 x 6 Wedge Plate 4 x 6
Part #: 47407 Red
Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End Wedge Curved 2 x ...
Part #: 47456 White
Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End Wedge Curved 2 x ...
Part #: 47456 Red
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Brick Curved 2 x ...
Part #: 47457 Light Bluish Gray
Wedge Curved 4 x 4 No Top Studs Wedge Curved 4 x ...
Part #: 47753 Red
Plate Special 1 x 2 [Side Handle Closed Ends] Plate Special 1 x...
Part #: 48336 White
Plate Special 1 x 1 with Tooth Plate Special 1 x...
Part #: 49668 Black
Wedge Plate 2 x 4 Wedge Plate 2 x 4
Part #: 51739 Red
Wedge Plate 2 x 4 Wedge Plate 2 x 4
Part #: 51739 White
Technic Ball Joint with Through Axle Hole Technic Ball Join...
Part #: 53585 Black
Technic Axle Connector Hub with 3 Axles at 120° Technic Axle Conn...
Part #: 57585 Light Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Dark Bluish Gray
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b Red
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 Black
Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate Slope 18° 2 x 1 x...
Part #: 61409 Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Neon Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Neon Green
Large Figure Wing, Small Large Figure Wing...
Part #: 61800 White
Wedge Curved 4 x 3 No Studs [Plain] Wedge Curved 4 x ...
Part #: 64225 White
Game Controller / Weapon Hilt with Black Buttons Game Controller /...
Part #: 65080pat0001 White
Game Controller / Weapon Hilt with Red Buttons Game Controller /...
Part #: 65080pat0002 Black
Large Figure Weapon Sword, Blade with Bar, Single Edge Large Figure Weap...
Part #: 65184 Trans-Neon Green
Minifig Gameplayer Label Medium Azure with Ninja Head, Stripes print Minifig Gameplaye...
Part #: 65191pr0001 Trans-Neon Green
Minifig Gameplayer Label with Black Skull, Black Stripes print Minifig Gameplaye...
Part #: 65191pr0002 Trans-Neon Orange
Weapon Sword with Angular Wide Hilt and Angular Blade Trans-Neon Orange Pattern Weapon Sword with...
Part #: 65272pat0002 White
Wedge 3 x 2 Right Wedge 3 x 2 Right
Part #: 6564 Red
Wedge 3 x 2 Left Wedge 3 x 2 Left
Part #: 6565 Red
Sticker Sheet for Set 71707-1 Sticker Sheet for...
Part #: 66646 [No Color/Any Color]
Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] Hinge Plate 1 x 4...
Part #: 73983 Light Bluish Gray
Sports Surfboard Standard Sports Surfboard ...
Part #: 90397 Lime
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Technic Brick Spe...
Part #: 92013 Black
Bracket 1 x 2 - 2 x 4 Bracket 1 x 2 - 2...
Part #: 93274 Black
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 White
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 Red
Bracket 1 x 2 - 1 x 2 Bracket 1 x 2 - 1...
Part #: 99781 Black
Notable Parts
Build Ideas

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

1 video found
BlockTalk AI

Hfmasters enjoyed both the jet and mech builds of LEGO Ninjago 71707 Kai's Mech Jet, noting the jet's simple design and stud shooters. The mech build was considered more substantial with good articulation, making it a solid set for the price point.

What the Community Says

1 YouTube reviews
BlockTalk AI Summary

Hfmasters enjoyed both the jet and mech builds of LEGO Ninjago 71707 Kai's Mech Jet, noting the jet's simple design and stud shooters. The mech build was considered more substantial with good articulation, making it a solid set for the price point.

Reddit Reviews

No Reddit reviews found

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

90
Unique Parts
204
Total Pieces
2
Minifigures
Inventory Version: 1