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Gear
Key Chains / Ninjago
Ninja Kai Key Chain

851351 LEGO Ninja Kai Key Chain

Name: LEGO Ninja Kai Key Chain
Brand: LEGO
SKU: 851351-1
Availability: InStock
Rating: 4.60 (18 reviews)

Images 2Description 1

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Ninja Kai Key Chain since April 2018. Very high accuracy

LEGO 851351-1 Ninja Kai Key Chain is a Gear Key Chains / Ninjago accessory released in 2015. It features a Kai minifigure permanently attached to a metal ring and chain for use as a keychain. The minifigure cannot be disassembled or removed. The design is based on Kai, the red ninja from LEGO Ninjago. The estimated value of a new or sealed Ninja Kai Key Chain is approximately $10.

There are currently no new/sealed listings available for Ninja Kai Key Chain at this time.

Check eBay
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Sale Trends

This chart shows the sales trends (number sold) of new/sealed 851351 Ninja Kai Key Chain.

Kai keychains


	853690 Kai Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2017 Availability Retired Buy this item at Amazon Bricklink	Retail $4.99 Value $6.67 Growth +33.7% Annual growth 5.7% I own this I want this

	853401 Ninja Kai Chain Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2012 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $12.24 Growth +145.3% Annual growth 7.4% I own this I want this

	853097 Kai Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2011 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $7.10 Growth +42.3% Annual growth 5.7% I own this I want this

Sets in Gear / Key Chains / Ninjago


	850442 Lloyd ZX Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2012 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $42.66 Growth +754.9% Annual growth 13.4% I own this I want this

	850443 Snake Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2012 Availability Retired Buy this item at eBay	Retail $4.99 Value $6.19 Growth +24.0% Annual growth 2.4% I own this I want this

	850622 Golden Ninja Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2013 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $11.06 Growth +121.6% Annual growth 3.7% I own this I want this

	851352 Titanium Zane Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2015 Availability Retired Buy this item at eBay Bricklink	Retail $5.99 Value $15.55 Growth +159.6% Annual growth 10.6% I own this I want this

	851353 Anacondrai Kapau Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2015 Availability Retired Buy this item at Amazon eBay	Retail $4.99 Value $9.00 Growth +80.4% Annual growth 6.1% I own this I want this

	851354 Wrayth Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2016 Availability Retired Buy this item at Bricklink	Retail $4.99 Value $8.50 Growth +70.3% Annual growth 4.0% I own this I want this

	853098 Jay Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2011 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $10.78 Growth +116.0% Annual growth 5.7% I own this I want this

	853099 Cole Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2011 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $6.78 Growth +35.9% Annual growth 2.2% I own this I want this

	853100 Zane Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2011 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $6.68 Growth +33.9% Annual growth 1.5% I own this I want this

	853101 Sensei Wu Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2011 Minifigs 1 Availability Retired Buy this item at Amazon eBay Bricklink	Retail $4.99 Value $7.30 Growth +46.3% Annual growth 1.8% I own this I want this

	853402 Ninja Cole Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2012 Availability Retired Buy this item at Bricklink	Retail $4.99 Value $12.16 Growth +143.7% Annual growth 4.7% I own this I want this

	853403 Ninjago Hypnobrai Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2012 Availability Retired Buy this item at eBay	Retail $4.99 Value $10.01 Growth +100.6% Annual growth 3.7% I own this I want this

	853534 Airjitzu Jay Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2016 Availability Retired Buy this item at Amazon Bricklink	Retail $5.99 Value $6.66 Growth +11.2% Annual growth 7.1% I own this I want this

	853538 Skybound Cole Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2016 Availability Retired Buy this item at Amazon eBay Bricklink	Retail $5.99 Value $6.73 Growth +12.4% Annual growth 4.1% I own this I want this

	853893 Jay Keyring Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2019 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $4.99 Value $6.94 Growth +39.1% Annual growth 3.4% I own this I want this

	853894 Nya Keyring Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2019 Minifigs 1 Availability Retired Buy this item at Bricklink	Retail $4.99 Value $6.45 Growth +29.3% Annual growth 2.1% I own this I want this

	853996 Jay Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2020 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $5.99 Value $8.49 Growth +41.7% Annual growth 4.5% I own this I want this

	853997 Lloyd Key Chain Theme / Subtheme Gear / Key Chains / Ninjago Year 2020 Minifigs 1 Availability Retired Buy this item at eBay Bricklink	Retail $5.99 Value $7.64 Growth +27.5% Annual growth 4.4% I own this I want this

My Collection

I own this

I want this

Details

Set number

851351-1

Name

Ninja Kai Key Chain

Theme

Gear

Subtheme

Key Chains / Ninjago

Year

2015

Released

March 2015

Retired

November 2016

Availability

Retired

Pricing

Retail price

$5.99

New/Sealed

Value

$9.97

Growth

+66.44%

Annual growth

+3.20% Decreasing

2025 growth

+6.47%

90-day change

-5.21%

Used

Value

$8.28

Range

$6.18 - $10.42

Quick Buy

eBay

Check

Price

$9.67

Amazon

Check

Price

$10.47

Bricklink

Check

Price

~$10.07

*Listings are for new/sealed sets.

Predictions

New/Sealed

Today's value

$9.97

1 year forecast

$10.29+3.20%

5 year forecast

$11.55+15.85%

$11

$12

851351 Ninja Kai Key Chain is projected to be valued between $11 - $12 within five years.

Insights

Released in 2015 and retired in 2016, Ninja Kai Key Chain is an exclusive Gear/Ninjago accessory whose steady franchise recognition and Kai character draw steady collector interest, and its broad availability and frequent Kai variants cap long-term scarcity and upside.

Facts

It consists of a Kai minifigure attached to a metal ring and chain. Like most LEGO key chains, the minifigure cannot be disassembled or removed.

Regional Retail Prices (LEGO.com/Store)

United States

$5.99

United Kingdom

£3.99

Canada

$6.99

Europe

€4.99

Barcodes

UPC

673419235242

Ninja Kai Key Chain Reviews

18 ratings

4.6

Collectors

Investors

Subtheme Analysis

Gear / Key Chains / Ninjago

Items

Years

2011 - 2020

Annual growth

+3.72% (this set +3.20%)

This set's annual growth (CAGR) vs. subtheme

About Ninjago Key Chains

These keychain minifigures are based on the LEGO Ninjago theme, which was introduced in 2011. The main premise of the Ninjago universe is based around six teenage Ninja, Kai, Jay, Cole, Zane, Nya, and Lloyd, who have been trained by their master Sensei Wu, fighting forces of evil to protect the land of Ninjago. Most of the keychain include minifigures of the original cast.

Summary

Gear Key Chains / Ninjago Ninja Kai Key Chain set 851351 was released in March 2015, retailing for $6, but has since been retired. New, unopened Ninja Kai Key Chain sets are valued at $10, while used sets can be found for $8 in good condition.

Join forces with Ninja hero Kai in all your daily adventures! Your stuff will be safe from Ghosts and Skreemers when you attach the authentic Kai minifigure with a durable metal ring and chain to your keys or backpack. Features an authentic Kai minifigure attached to a durable metal ring and chain Use as a keychain or backpack charm Minifigure is not detachable from metal chain Makes a great gift for fans of LEGO® NINJAGO™ play sets.

Set Pricing Models

BrickEconomy uses a number of methods to determine the value of a set.

New/Sealed

Machine Learning/AI Model

Value (today)

$9.97

Value (in a year)

$10.29

Value (in 2 years)

$10.61

Accuracy

0.820000 High

Statistical Model

Value (today)

$8.35

Value (in a year)

(Possible plateau)

Value (in two years)

(Possible plateau)

Accuracy

0.229773 Very low

Used

Machine Learning/AI Model

Value (today)

$8.28

Value (low range)

$6.18

Value (high range)

$10.42

Accuracy

0.765000 High

To learn more about how we calculate pricing and forecasting, check out our article on BrickEconomy’s Approach to LEGO Pricing and Future Value Predictions.

Region · United States (USD)

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