In 2005, LEGO released 6 Promotional sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included LEGO Japan Magazine and LEGOLAND.
Most valuable 2005 LEGO Promotional set
Las Vegas Skyline Eiffel Tower $48.79
Most owned 2005 Promotional set
Santa
6 sets

Las Vegas Skyline Pyramid

Theme / Subtheme Promotional / LEGOLAND
Year 2005
Pieces 103
Availability Retired
LEGOLAND Las Vegas Skyline Pyramid
promotional
Value $41.75
Annual growth 17.0%

Las Vegas Skyline Eiffel Tower

Theme / Subtheme Promotional / LEGOLAND
Year 2005
Pieces 151
Availability Retired
LEGOLAND Las Vegas Skyline Eiffel Tower
promotional
Value $48.79
Annual growth 17.7%

Dog

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2005
Pieces 13
Availability Retired
LEGO Japan Magazine Dog
promotional
Value $13.26
Annual growth 6.0%

Snake

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2005
Pieces 9
Availability Retired
LEGO Japan Magazine Snake
promotional
Value $18.10
Annual growth 14.8%

Whale

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2005
Pieces 10
Availability Retired
LEGO Japan Magazine Whale
promotional
Value $16.13
Annual growth 9.0%

Santa

Theme / Subtheme Promotional / LEGO Japan Magazine
Year 2005
Pieces 13
Availability Retired
LEGO Japan Magazine Santa
promotional
Value $45.70
Annual growth 9.5%