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Kai's Mech Jet

71707-1·Ninjago·2020·2 minifigs·92 parts

Used Avg

$21.03

New Avg

$44.85

Add to your inventory Scan the minifigs

About Kai's Mech Jet

Kai's Mech Jet (71707-1) is a LEGO Ninjago set released in 2020, currently averaging $21.03 used on BrickLink. It comes with 2 minifigures worth a combined $5.18. The set has retired from retail, so secondary market is the only option. The full parts inventory runs 92 pieces.

Part-out value

The minifigures account for about 25% of the set's value ($5.18 out of $21.03). The remaining value is in the parts and the set as a complete package. Selling complete will likely net more than parting out unless you have specific demand for the individual figures.

Seller notes

Sealed copies sell for $44.85 vs $21.03 used — a 113% premium. If you have this set new in sealed box (NISB), price it accordingly.

Minifigures in Kai's Mech Jet (2)

Richie - Shoulder Armor with Scabbard

njo0564$2.19

Kai - Digi Kai, Shoulder Armor with Scabbard

njo0568$2.98

Parts (92)

Plate, Modified 2 x 2 with Pin Hole - Full Cross Support Underneath

×2

Tile, Modified 2 x 2 Inverted

×2

Bracket 5 x 2 x 1 1/3 with 2 Holes and Bottom Tube

Slope, Curved 2 x 1 x 2/3

×6

Plate, Modified 1 x 2 with Tow Ball on Side

×2

Plate, Modified 1 x 2 with Small Tow Ball Socket on Side

×4

Slope, Curved 2 x 2 x 2/3

×2

Plate, Modified 1 x 1 with Tooth Vertical

×2

Projectile Launcher Part, Trigger for Gun, Mini Blaster / Shooter

×3

Projectile Launcher, 1 x 2 Mini Blaster / Shooter

×2

Tile, Round 2 x 2 with Hole

Tile, Modified 1 x 1 with Open O Clip

Technic, Axle 2L with Pin with Friction Ridges

×2

Plate, Modified 1 x 2 with Pin Hole on Bottom

×2

Minifigure, Weapon Sword, Shamshir / Katana (Square Guard) with Capped Pommel and Holes in Crossguard and Blade

×3

Minifigure, Weapon Sword, Shamshir / Katana (Square Guard) with Capped Pommel and Holes in Crossguard and Blade

×3

Plate, Modified 1 x 2 with Tow Ball on End

×2

Tile, Modified 1 x 2 Grille with Bottom Groove

×2

Slope, Curved 2 x 1 x 2/3 Inverted

×2

Hinge Plate 1 x 4 Swivel (2429 / 2430)

×4

Technic, Axle 3L with Stop

×2

Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends

×2

Minifigure, Utensil Boomerang

Wedge, Plate 2 x 2 Cut Corner

×2

Minifigure, Weapon Spear Tip

×3

Technic, Pin with Short Friction Ridges

×2

Brick, Modified 1 x 2 with Log Profile

×3

Plate, Modified 2 x 3 Inverted with 4 Studs and Bar Handle on Bottom (Rocker Plate)

×2

Plate 2 x 4

×5

Plate 2 x 3

Plate 2 x 2

×2

Plate 1 x 2

×10

Bar 4L (Lightsaber Blade / Wand)

Arm Mechanical, Battle Droid

×3

Slope 45 2 x 1

×2

Brick, Round 1 x 1

Technic, Brick 1 x 2 with Holes

×2

Technic, Pin 3L with Friction Ridges and Stop Bush

Technic, Axle 2L Notched

Technic, Brick 1 x 2 with Axle Hole

×4

Slope, Curved 2 x 2 x 2/3 Inverted

×3

Plate, Round 1 x 2 with Open Studs

×5

Plate 1 x 6

×2

Plate 1 x 4

×3

Technic Bush

×3

Minifigure, Weapon Pack Hooks, Knives, and Swords, 10 in Bag (Multipack)

Plate 2 x 6

Plate 2 x 10

Brick, Round 2 x 2 with Axle Hole

Plate, Round 2 x 2 with Axle Hole

×2

Plate, Round 2 x 2 with Axle Hole

Plate, Round 1 x 1

×10

Plate, Round 1 x 1

×2

Plate, Modified 1 x 1 with Open O Clip Thick (Vertical Grip)

×2

Technic, Liftarm Thin 1 x 2 - Axle Holes

×2

Wedge, Plate 4 x 2 Right

×2

Wedge, Plate 4 x 2 Left

×2

Flag 2 x 2 Trapezoid

×2

Technic, Axle 3L

×3

Dish 2 x 2 Inverted (Radar)

Wedge, Plate 4 x 6

×2

Slope, Curved 3 x 2 x 2/3 with 2 Studs, Wing End

×2

Slope, Curved 3 x 2 x 2/3 with 2 Studs, Wing End

×4

Slope, Curved 2 x 2 x 2/3 with 2 Studs and Curved Sides

Wedge 4 x 4 Triple Curved No Studs

×2

Plate, Modified 1 x 2 with Bar Handle on Side - Closed Ends

×3

Plate, Modified 1 x 1 with Tooth Horizontal

×2

Wedge, Plate 2 x 4

×3

Wedge, Plate 2 x 4

×2

Technic Ball Joint with Through Axle Hole

×5

Technic, Axle Connector Hub with 3 Axles

×2

Plate, Modified 1 x 2 with 2 Open O Clips (Horizontal Grip)

×3

Slope 18 2 x 1 x 2/3 with Grille

×4

Bionicle Wing Small / Tail with Axle Hole

×2

Wedge 4 x 3 Triple Curved No Studs

Minifigure, Utensil Game Controller, Holes on Sides for Bar with Molded Red Buttons and Center Handle Pattern

Minifigure, Utensil Game Controller, Holes on Sides for Bar with Molded Black Buttons and Center Handle Pattern

Propeller 1 Blade 14L with Axle Hole (Sword Blade)

×3

Minifigure, Utensil Gameplayer Label with Pixelated Medium Azure Ninja Head and Broken Stripe / Health Bar Pattern

Minifigure, Utensil Gameplayer Label with Pixelated Black Skull and Broken Stripe / Health Bar Pattern

Minifigure, Weapon Sword with Serrated Blade and Molded White Hilt with Wide Angled Pommel Pattern (Ninjago Key-Tana)

Technic, Axle Connector 2L (Smooth with x Hole + Orientation)

×2

Wedge 3 x 2 Right

Wedge 3 x 2 Left

Sticker Sheet for Set 71707 - (66646/6289130)

Minifigure, Utensil Surfboard Standard

Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides

×4

Bracket 1 x 2 - 2 x 4

×2

Minifigure, Utensil Ingot 1 x 2

×5

Bracket 1 x 2 - 1 x 2 Inverted

×2

Bracket 1 x 2 - 1 x 2

×4

Common questions about Kai's Mech Jet

How much is LEGO Kai's Mech Jet (71707-1) worth?

Kai's Mech Jet sells for an average of $21.03 used and $44.85 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

What minifigures come in LEGO set 71707-1?

This set includes 2 minifigures: Richie - Shoulder Armor with Scabbard ($2.19), Kai - Digi Kai, Shoulder Armor with Scabbard ($2.98). The minifigures have a combined BrickLink value of $5.18. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO Kai's Mech Jet?

The minifigures make up about 25% of the set value ($5.18 out of $21.03). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.

Is LEGO Kai's Mech Jet (71707-1) retired?

Yes, Kai's Mech Jet was released in 2020 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my Kai's Mech Jet set is complete?

Use the parts list on this page to check every piece and all 2 minifigures. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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