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Region
Gear
Key Chains / World City
Train Worker Key Chain
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851037 LEGO Train Worker Key Chain
Images
1
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Set Value
(New/Sealed)
This chart represents the current new/sealed value of the set Train Worker Key Chain since January 2021.
High accuracy
LEGO 851037 Train Worker Key Chain was a World City key chain released in 2004. The value for a new Train Worker Key Chain is currently estimated to be $7.
All regions
All regions
1
United States
1
For Sale
(New/Sealed)
(US) with tag
$6.19
-5.1%
Sale Trends
This chart shows the sales trends (number sold) of new/sealed 851037 Train Worker Key Chain.
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Sets in
Gear
/
Key Chains / World City
851039 Chef Key Chain
Theme / Subtheme
Gear
/
Key Chains / World City
Year
2004
Availability
Retired
Buy this item at
Bricklink
Retail
$4.99
Value
$9.38
Growth 88.0%
Annual growth 3.2%
I own this
I want this
Agent Key Chain
Theme / Subtheme
Gear
/
Key Chains / World City
Year
2006
Minifigs
1
Availability
Retired
Buy this item at
eBay
Bricklink
Retail
$3.99
Value
$9.93
Growth 148.9%
Annual growth 10.9%
I own this
I want this
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My Collection
I own this
I want this
Details
Set number
851037-1
Name
Train Worker Key Chain
Theme
Gear
Subtheme
Key Chains / World City
Year
2004
Availability
Retired
Minifigs
1
Pricing
Retail price
$3.99
New/Sealed
Value
$6.52
Growth
+63.41%
Annual growth
+8.76%
Decreasing
Rolling growth
--1.41%
(Previous 12 months)
Future growth
+1.73%
(2-3 year outlook)
90-day change
-1.25%
Used
Value
$5.41
Quick Buy
eBay
Buy
Price
~$6.72
Bricklink
Buy
Lowest price
$6.19
*Listings are for new/sealed sets.
Predictions
1 year forecast
$6.58
5 year forecast
$7.03
$6.96
$7.22
851037 Train Worker Key Chain is estimated to be worth between $6.96 - $7.22 in 5 years (new/sealed).
Facts
It consists of a Train Worker minifigure attached to a metal ring and chain. Like most LEGO key chains, the minifigure cannot be disassembled or removed.
Train Worker Key Chain Reviews
17 ratings
4.6
Collectors
Investors
Subtheme Analysis
Gear
/
Key Chains / World City
Items
3
Years
2004 - 2006
Annual growth
+5.98%
(this set +8.76%)
This set's annual growth (CAGR) vs. subtheme
About World City Key Chains
LEGO has released a number of key chains sets over the years based on many popular themes, including licensed themes. Most feature a minifigure attached to a key chain, although some simply have a LEGO brick or another LEGO element.
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Set Pricing Models
BrickEconomy uses a number of methods to determine the value of a set.
New/Sealed
Machine Learning/AI Model
Value
(today)
$6.52
Value
(in a year)
$7.05
Value
(in 2 years)
$7.51
Accuracy
0.920200
High
Statistical Model
Value
(today)
$7.08
Value
(in a year)
(Possible plateau)
Value
(in two years)
(Possible plateau)
Accuracy
0.293033
Very low
Used
Machine Learning/AI Model
Value
(today)
$5.41
Accuracy
0.865200
High
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