# LEGO 71707-1 — Kai's Mech Jet (2020)

Source: https://www.brickmissing.com/sets/71707-1-kais-mech-jet
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Pilot Kai into Prime Empire action with the LEGO Ninjago 71707-1 Kai's Mech Jet. This 226-piece model features a 2-in-1 transformation, converting from a powerful mech suit to a fast jet plane. The set includes minifigures Kai and Richie, ready for battle. Its articulated limbs allow the mech to strike various poses, while the jet form offers a streamlined design for aerial pursuit. This clever construction ensures varied play scenarios, letting fans recreate scenes from the Ninjago series within the digital Prime Empire.

## Set facts

- Set number: 71707-1
- Name: Kai's Mech Jet
- Theme: Ninjago › Prime Empire
- Released: 2020
- Pieces: 226
- Distinct part + colour lots: 106
- Build difficulty: easy
- Repairability: 1.9% of this set's lots are hard to replace (2 of 106 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (106 lots, 226 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 2 | Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] | Black | 10247 | 6061032 | €0,10 |
| 2 | Tile Special 2 x 2 Inverted | Black | 11203 | 6013867 | €0,10 |
| 1 | Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom | Black | 11215 | 6039194 | — |
| 6 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Red | 11477 | 6029946 | €0,06 |
| 2 | Plate Special 1 x 2 with 5.9mm Centre Side Towball | Dark Bluish Gray | 14417 | 6039479 | €0,16 |
| 4 | Plate Special 1 x 2 5.9mm Centre Side Towball Socket | Light Bluish Gray | 14704 | 6043656 | €0,13 |
| 2 | Slope Curved 2 x 2 x 2/3 | White | 15068 | 6047220 | €0,13 |
| 2 | Plate Special 1 x 1 with Vertical Tooth | White | 15070 | 6046905 | €0,10 |
| 2 | Launcher Trigger, Weapon Gun Trigger | Dark Bluish Gray | 15392 | 6051334 | €0,05 |
| 2 | Launcher, Plate Special 1 x 2 with Mini Blaster | Black | 15403 | 6102734 | — |
| 1 | Tile Round 2 x 2 with Hole | Black | 15535 | 6143850 | €0,07 |
| 1 | Tile Special 1 x 1 with Clip with Rounded Edges | Black | 15712 | 6335388 | €0,12 |
| 2 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle | Black | 18651 | 6089119 | €0,08 |
| 2 | Plate Special 1 x 2 with Pin Hole Underneath | Black | 18677 | 6192309 | €0,07 |
| 2 | Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] | Orange | 21459 | 6288114 | — |
| 2 | Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] | Yellowish Green | 21459 | 6116600 | — |
| 2 | Plate Special 1 x 2 with End Towball | Dark Bluish Gray | 22890 | 6123814 | €0,16 |
| 2 | Tile Special 1 x 2 Grille with Bottom Groove | Red | 2412b | 241221 | €0,06 |
| 2 | Slope Curved 2 x 1 Inverted | Red | 24201 | 6186398 | €0,06 |
| 2 | Technic Axle 3 with Stop | Reddish Brown | 24316 | 6135494 | €0,07 |
| 2 | Plate Special 1 x 2 Side Handle [Free Ends] | Dark Bluish Gray | 2540 | 4210660 | €0,07 |
| 1 | Equipment Boomerang | White | 25892 | 6211335 | €0,17 |
| 2 | Wedge Plate 2 x 2 Cut Corner | Dark Red | 26601 | 6210310 | €0,07 |
| 2 | Weapon Pike / Spear Tip with Bar | Trans-Neon Orange | 27257 | 6166891 | — |
| 1 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 3 | Brick Special 1 x 2 Palisade [aka Log] | Dark Bluish Gray | 30136 | 4211095 | €0,10 |
| 2 | Plate Special / Shield Rectangular with 4 Studs, Handle | Dark Red | 30166 | 6220561 | — |
| 5 | Plate 2 x 4 | Red | 3020 | 302021 | €0,15 |
| 1 | Plate 2 x 3 | Dark Bluish Gray | 3021 | 4211043 | €0,13 |
| 2 | Plate 2 x 2 | White | 3022 | 302201 | €0,10 |
| 10 | Plate 1 x 2 | Coral | 3023 | 6258094 | €0,08 |
| 1 | Bar 4L (Lightsaber Blade / Wand) | Trans-Neon Orange | 30374 | 3037447 | — |
| 1 | Bar 4L (Lightsaber Blade / Wand) | Trans-Neon Green | 30374 | 4124054 | — |
| 2 | Arm Mechanical with 2 Clips [Battle Droid] | White | 30377 | 6321345 | €0,13 |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Red | 3040b | 4121934 | €0,10 |
| 1 | Brick Round 1 x 1 Open Stud | Trans-Clear | 3062b | 6223655 | €0,08 |
| 2 | Technic Brick 1 x 2 [2 Pin Holes] | Black | 32000 | 3200026 | €0,10 |
| 1 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Red | 32054 | 4125198 | — |
| 1 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 4 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | White | 32064a | 6178921 | €0,17 |
| 3 | Slope Curved 2 x 2 x 2/3 Inverted | Black | 32803 | 6211476 | €0,11 |
| 5 | Plate Special 1 x 2 Rounded with 2 Open Studs | Dark Bluish Gray | 35480 | 6221607 | €0,07 |
| 2 | Plate 1 x 6 | Black | 3666 | 366626 | €0,17 |
| 3 | Plate 1 x 4 | Red | 3710 | 371021 | €0,12 |
| 2 | Technic Bush | Light Bluish Gray | 3713 | 6275844 | €0,05 |
| 2 | Weapon Sword Curved Blade with Bar | Trans-Neon Green | 37341a | — | — |
| 2 | Weapon Dagger / Knife with Flat Hilt End and Curved Blade, Cross Hatched Grip | Trans-Neon Green | 37341b | — | — |
| 2 | Weapon Sword Blade with Bar, Square Crossguard | Trans-Neon Green | 37341c | — | — |
| 2 | Weapon Scythe / Hook with Bar | Trans-Neon Green | 37341d | — | — |
| 2 | Weapon Scythe / Hook with Double Blades | Trans-Neon Green | 37341e | — | — |
| 1 | Plate 2 x 6 | Black | 3795 | 379526 | €0,19 |
| 1 | Plate 2 x 10 | Light Bluish Gray | 3832 | 4211462 | €0,29 |
| 1 | Brick Round 2 x 2 with Axle Hole | Trans-Neon Orange | 3941 | 611647 | — |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 2 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | White | 4032a | 403201 | €0,06 |
| 2 | Technic Beam 1 x 2 Thin | Red | 41677 | 6371442 | €0,13 |
| 2 | Wedge Plate 4 x 2 Right | Red | 41769 | 4160866 | €0,11 |
| 2 | Wedge Plate 4 x 2 Left | Red | 41770 | 4161329 | €0,11 |
| 2 | Flag 2 x 2 Trapezoid with Flat Area between Clips | White | 44676 | 4272616 | — |
| 3 | Technic Axle 3 | Light Bluish Gray | 4519 | 4211815 | €0,05 |
| 1 | Dish 2 x 2 Inverted [Radar] | Trans-Clear | 4740 | 6245306 | €0,10 |
| 2 | Wedge Plate 4 x 6 | Red | 47407 | 4212517 | — |
| 2 | Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End | White | 47456 | 4610897 | €0,18 |
| 4 | Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End | Red | 47456 | 6143425 | €0,18 |
| 1 | Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End | Light Bluish Gray | 47457 | 4494475 | €0,15 |
| 2 | Wedge Curved 4 x 4 No Top Studs | Red | 47753 | 6074878 | — |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | White | 48336 | 4222017 | €0,07 |
| 2 | Plate Special 1 x 1 with Tooth | Black | 49668 | 4273590 | €0,06 |
| 2 | Wedge Plate 2 x 4 | Red | 51739 | 6023770 | €0,10 |
| 3 | Wedge Plate 2 x 4 | White | 51739 | 4249506 | €0,10 |
| 4 | Technic Ball Joint with Through Axle Hole | Black | 53585 | 4286267 | €0,13 |
| 2 | Technic Axle Connector Hub with 3 Axles at 120° | Light Bluish Gray | 57585 | 4502595 | €0,28 |
| 2 | Technic Axle Connector Smooth [with x Hole + Orientation] | Dark Bluish Gray | 59443 | 4516546 | €0,06 |
| 3 | Plate Special 1 x 2 with Clips Horizontal [Open O Clips] | Red | 60470b | 6360036 | €0,16 |
| 2 | Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] | Black | 60897 | 6330189 | €0,08 |
| 4 | Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate | Black | 61409 | 4541191 | €0,06 |
| 1 | Plate Round 1 x 1 with Solid Stud | Trans-Neon Orange | 6141 | 3005747 | — |
| 9 | Plate Round 1 x 1 with Solid Stud | Trans-Neon Green | 6141 | 3005749 | — |
| 2 | Large Figure Wing, Small | White | 61800 | 4548556 | — |
| 1 | Wedge Curved 4 x 3 No Studs [Plain] | White | 64225 | 4567878 | €0,30 |
| 1 | Game Controller / Weapon Hilt with Black Buttons | White | 65080pat0001 | 6285528 | €0,46 |
| 1 | Game Controller / Weapon Hilt with Red Buttons | Black | 65080pat0002 | 6285530 | — |
| 3 | Large Figure Weapon Sword, Blade with Bar, Single Edge | Trans-Neon Green | 65184 | 6287586 | — |
| 1 | Minifig Gameplayer Label Medium Azure with Ninja Head, Stripes print | Trans-Neon Green | 65191pr0001 | 6287600 | — |
| 1 | Minifig Gameplayer Label with Black Skull, Black Stripes print | Trans-Neon Orange | 65191pr0002 | 6287611 | — |
| 1 | Weapon Sword with Angular Wide Hilt and Angular Blade Trans-Neon Orange Pattern | White | 65272pat0002 | 6287577 | — |
| 1 | Wedge 3 x 2 Right | Red | 6564 | 4526929 | — |
| 1 | Wedge 3 x 2 Left | Red | 6565 | 6256588 | €0,33 |
| 1 | Sticker Sheet for Set 71707-1 | Unknown | 66646 | 6289130 | — |
| 4 | Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] | Light Bluish Gray | 73983 | 4219256 | — |
| 1 | Sports Surfboard Standard | Lime | 90397 | 6102906 | €0,29 |
| 4 | Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole | Black | 92013 | 4619763 | — |
| 2 | Bracket 1 x 2 - 2 x 4 | Black | 93274 | 6118829 | €0,15 |
| 5 | Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] | White | 99563 | 6210076 | €0,05 |
| 2 | Bracket 1 x 2 - 1 x 2 Inverted | Red | 99780 | 6089698 | €0,10 |
| 4 | Bracket 1 x 2 - 1 x 2 | Black | 99781 | 6016172 | €0,10 |
| 1 | Hips and Red Legs with Dark Red Belt Sash, Black Knee Strap with Medium Azure Circle Print | Red | 970c22pr9894 | 6286856 | — |
| 1 | Torso, Odd Arms and Hands, Robe with Dark Red Trim, Black Straps with Azure Circles Print, Left Red Arm and Black Hand, Right White Arm and Hand | Red | 973d19pr4962 | 6286846 | — |
| 1 | Wrap with Angular Mask White, and Medium Azure Asian Symbol on Black print | Red | 65072pat0001pr0005 | 6287603 | — |
| 1 | Minifig Neckwear Armor Double Shoulder Pad with Scabbard for 2 Katanas | White | 65183 | 6287545 | — |
| 1 | Minifig Head Kai, Reddish Brown Eyebrows with Scar, Scared / HUD with Medium Azure Highlights Print | Yellow | 3626cpr9860 | 6287799 | — |
| 1 | Headwear Accessory Plume / Feather / Ponytail | Black | 22411 | 6129476 | — |
| 1 | Hips and Black Legs with Silver Belt and Knee Wraps with Lime Circles Print | Black | 970c03pr9893 | 6283993 | — |
| 1 | Minifig Neckwear Armor Double Shoulder Pad with Scabbard for 2 Katanas | Black | 65183 | 6287555 | — |
| 1 | Minifig Head Special with Black Visor / VR Glasses | Dark Pink | 65073pr3024 | 6285516 | — |
| 1 | Torso Armor, Black Chest Plate, Pixelated Skull Print, Dark Pink Arms, Black Hands | Dark Pink | 973c36h03pr9765 | 6283989 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/71707-1-kais-mech-jet
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/71707-1-kais-mech-jet