In 2006, LEGO released 2 City Construction sets, all of these sets have been retired. For that year, the total price of all retail sets cost $95, today those sets are valued around $600, a growth of 532%.
Most valuable 2006 LEGO City Construction set
7905 Building Crane $378.86
Highest growth 2006 City Construction set
7900 Heavy Loader +786.55%
Theme / Subtheme City / Construction
Year 2006
Pieces / Minifigs 347 / 1
Availability Retired
7900 LEGO City Construction Heavy Loader
Retail $24.99
Value $221.55
Growth  +786.6%
Annual growth 6.1%
Theme / Subtheme City / Construction
Year 2006
Pieces / Minifigs 721 / 3
Availability Retired
7905 LEGO City Construction Building Crane
Retail $69.99
Value $378.86
Growth  +441.3%
Annual growth 7.0%