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LegoLEGO® NINJAGO®

Lego® Kai's Mech Jet

Lowest price right now €54.19 at amazon.de-mp, 6 shops compared.

New58,15 €Expensive · low was 49,00 € (09/2026)@ eBayFree shippingUsedBest price26,19 €new from 58,15 €−55%@ eBayincl. 6,19 € shipping
Alle 8 Angebote vergleichen →
Lego Kai's Mech Jet (71707-1) – Produktfoto freigestellt
Set #
71707-1
Parts
217
Minifigs
2
Price/part
26.8 ct
Release
2020
Age
7+
Price comparison · 8 Offers · final prices incl. shipping

Where is Kai's Mech Jet cheapest right now?

Shipping to Germany
6 shops checkedIndependently sorted
Used
26,19€BEST PRICE
31,96 € below cheapest new price
incl. 6,19 € shippingincl. VATfrom  | 2 to 4 days
26,19 €Usedincl. 6,19 € shipping · 2 to 4 days
  • Used
    55,95€
    2,20 € below cheapest new price
    incl. 5,99 € shippingincl. VATfrom  | 9 to 10 days
    55,95 €Usedincl. 5,99 € shipping · 9 to 10 days
  • New
    58,15€
    free shippingincl. VATfrom  | 2 to 4 daysValid only with code: PERFECTEBAY3
    58,15 €Newfree shipping · 2 to 4 days
  • New
    64,90€
    free shippingincl. VATfrom  | 4 to 6 weeks
    64,90 €Newfree shipping · 4 to 6 weeks
  • New
    74,71€
    incl. 20,52 € shippingincl. VATfrom  | 7 to 8 days
    74,71 €Newincl. 20,52 € shipping · 7 to 8 days
Price check · in short

What does Lego® Kai's Mech Jet (71707) currently cost?

On VERObricks, Lego® Kai's Mech Jet (Set No. 71707) is currently listed by 6 shops across 8 offers. The lowest new price in the VERObricks comparison is 58,15 € (ebay), including free shipping. Other new offers range up to 257,70 €. Used, the set is available from 26,19 € (ebay). The manufacturer's RRP is 19,99 €. The current price per brick is 26,8 cents.

Notes on prices & affiliate links
Displayed prices may differ from actual offers. We update prices regularly, but offers on the linked pages may change quickly. Please note that we earn a commission on some qualified purchases made through partner links (e.g., from Amazon, eBay, or other shops). This only applies to links used within affiliate programs. There are no additional costs for you, and we also provide non-affiliate links to ensure a comprehensive overview of available offers.
Price history · Price development

Has Kai's Mech Jet ever been cheaper?

Current
58,15 €
New, best shop
30-day low
58,15 €
on 03. Nov. 2026 · eBay
Usual at dealers
257,70 €
90-day median, final price
All-time low
11,99 €
on 09. Aug. 2021 · alternate
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Details

Set details

At a glance
Brand
Lego
Partcount
217
Minifigures
2
Build Duration
<1 h
Age
7+
Release / EOL
2020 – 2021
RRP
19,99 €
Price per Part
26.8 ct
Part-Out Value
22,95 €
POV Rate
0.4×
Building instructionsPDF from the manufacturer
Technical data9 entries

Product

Name
Kai's Mech Jet

Dimensions

Product weight
0,2 kg
Packaging width
19,1 cm
Packaging height
4,6 cm
Packaging length
26,2 cm
Packaging weight
0,4 kg

Identification

MFR
71707-1
EAN
5702016616934
SKU
71707

DescriptionManufacturer text

Kids can build Digi Kai’s powerful mech before rebuilding it into a Jet to stage battles against Richie in the Speedway Five-Billion race.

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 Whack Rats who is chasing Digi Kai on his hoverboard and determined to defeat him. Can you fight him off and win the race?

Lego Kai's Mech Jet

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.

Lego Kai's Mech Jet

This 217-piece action toy is a rewarding build for boys and girls aged 7+ and makes a great holiday gift. The awesome building set will inspire kids to embrace imaginative play as they bring to life their favorite 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 over 6” (16 cm) high and 9” (25 cm) wide.

No batteries are required for this construction toy – it’s simply fueled by kids’ vivid imaginations, so you never need to leave the NINJAGO® realm.

  1. 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.

  2. LEGO® NINJAGO® collectible buildable toys let kids enter a thrilling world of fantasy action and create stories with their favorite ninjas as they take on the forces of evil.

  3. 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.

  4. 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.

Minifigures

Which minifigures are in Kai's Mech Jet?

The set contains 2 minifigures.

  • Richie - Black Katana HolderRichie - Black Katana Holderin 4 sets
  • Kai / Digi Kai with Shoulder ArmorKai / Digi Kai with Shoulder Armorin 5 sets
Gallery

Product images (8)

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FAQ

Frequently Asked Questions

Where can you buy Lego® Kai's Mech Jet?

New stock is available at amazon.de-mp, ebay, amazon.de, amazon-fr, duo-shop, idee-spiel (6 shops). Used copies are offered by ebay, amazon.de-mp. Free shipping is available at ebay, amazon.de. VERObricks compares all prices in real time and always shows you the lowest offer — for new and used stock, with shipping cost comparison.

Was Kai's Mech Jet ever cheaper? Price history & all-time low

VERObricks tracks the price history of Lego® Kai's Mech Jet across all shops. The historical low for new is 11,20 €. The highest observed new price was 257,70 € — a range of 246,50 €. Currently, the price is 46,95 € (419%) above the all-time low. The lowest used price historically was 16,19 €. The price trend is upward — the price has risen recently. A price alert may pay off. With the VERObricks price alert you'll be notified instantly when the price reaches your target.

What is Lego® Kai's Mech Jet? Contents, parts & details

Lego® Kai's Mech Jet is a set by Lego from the "LEGO® NINJAGO®" theme (Set No. 71707, EAN: 5702016616934). According to the VERObricks database, the set includes 217 parts, 2 minifigures, Recommended age 7+. Manufacturer description: "Kids can build Digi Kai’s powerful mech before rebuilding it into a Jet to stage battles against Richie in the Speedway Five-Billion race." On VERObricks you can find the set in these categories: LEGO® NINJAGO®, Fantasy, Kids, Mechs, Pop culture.

Which minifigures are included in Lego® Kai's Mech Jet?

According to the Rebrickable inventory, Lego® Kai's Mech Jet contains 2 minifigures: Richie - Black Katana Holder, Kai / Digi Kai with Shoulder Armor. Exclusive figures often keep a set's value stable after retirement; see the price history and used offers above.

When was Lego® Kai's Mech Jet released and how long will it stay available?

Lego® Kai's Mech Jet was released in January 2020. The set retired in July 2021 (EOL, end of life). New copies come from remaining stock only; for used ones, use the eBay search on this page. The official building instructions are available as 4 PDF files directly from the manufacturer, linked in the set details section.

Can you also buy Kai's Mech Jet used?

According to VERObricks, Lego® Kai's Mech Jet is available used from 26,19 € at ebay. There are 2 used offers in total, ranging from 26,19 € to 55,95 €. Compared to the lowest new price (58,15 €), you save 31,96 € — that's 55% off. Tip: Used building block sets are a sustainable and budget-friendly alternative. VERObricks compares all used offers from various retailers for you.

Is Kai's Mech Jet worth it at the current price?

At the current VERObricks best price of 58,15 € for 217 parts, that works out to 26,8 cents per part. The high price per part suggests a premium or collector set, where collectibility plays a larger role than pure part count.