In 2007, LEGO released 2 Promotional sets in the subtheme LEGO Brand Stores, all of these sets have been retired. For that year, the total price of all retail sets cost $2, today those sets are valued around $38, a growth of 1830%.
Most valuable 2007 LEGO Promotional set
75th Anniversary LEGO Duck on Wheels $32.13
Highest growth 2007 Promotional set
Penguin +215.58%
2 sets

75th Anniversary LEGO Duck on Wheels

Theme / Subtheme Promotional / LEGO Brand Stores
Year 2007
Pieces 44
Availability Retired
75th Anniversary LEGO Duck on Wheels
promotional
Value $32.13
Annual growth 6.0%

Penguin

Theme / Subtheme Promotional / LEGO Brand Stores
Year 2007
Pieces 9
Availability Retired
Penguin
Retail $1.99
Value $6.28
Growth  +215.6%
Annual growth 6.2%