World City key chains consists of 3 key chain sets.
Most valuable Key Chains / World City set
Agent Key Chain $11.89
Most owned Key Chains / World City set
851039 Chef Key Chain
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.
Theme / Subtheme Gear / Key Chains / World City
Year 2006
Minifigs 1
Availability Retired
LEGO Agent Key Chain
Retail $3.99
Value $11.89
Growth  +198.0%
Annual growth 12.3%
Theme / Subtheme Gear / Key Chains / World City
Year 2004
Minifigs 1
Availability Retired
851037 LEGO Train Worker Key Chain
Retail $3.99
Value $6.23
Growth  +56.1%
Annual growth 10.6%
Theme / Subtheme Gear / Key Chains / World City
Year 2004
Availability Retired
851039 LEGO Chef Key Chain
Retail $4.99
Value $9.54
Growth  +91.2%
Annual growth 3.3%