In 2006, LEGO released 8 Technic sets, all of these sets have been retired. For that year, the total price of all retail sets cost $395, today those sets are valued around $1,442, a growth of 265%.
Most valuable 2006 LEGO Technic set
8285 Tow Truck $446.11
Highest growth 2006 Technic set
8288 Crawler Crane +734.07%
8 sets

8281 Mini Tractor

Theme Technic
Year 2006
Pieces 121
Availability Retired
8281 LEGO Technic Mini Tractor
Retail $9.99
Value $39.99
Growth  +300.3%
Annual growth 3.9%

8282 Quad Bike

Theme Technic
Year 2006
Pieces 200
Availability Retired
8282 LEGO Technic Quad Bike
Retail $19.99
Value $44.99
Growth  +125.1%
Annual growth 4.4%

8283 Telehandler

Theme Technic
Year 2006
Pieces 323
Availability Retired
8283 LEGO Technic Telehandler
Retail $29.99
Value $86.36
Growth  +188.0%
Annual growth 6.1%

8284 Dune Buggy / Tractor

Theme Technic
Year 2006
Pieces 872
Availability Retired
8284 LEGO Technic Dune Buggy / Tractor
Retail $59.99
Value $135.90
Growth  +126.5%
Annual growth 8.2%

8285 Tow Truck

Theme Technic
Year 2006
Pieces 1,877
Availability Retired
8285 LEGO Technic Tow Truck
Retail $119.99
Value $446.11
Growth  +271.8%
Annual growth 6.8%

8287 Motor Box

Theme Technic
Year 2006
Pieces 93
Availability Retired
8287 LEGO Technic Motor Box
Retail $29.99
Value $140.25
Growth  +367.7%
Annual growth 11.2%

8288 Crawler Crane

Theme Technic
Year 2006
Pieces 800
Availability Retired
8288 LEGO Technic Crawler Crane
Retail $49.99
Value $416.95
Growth  +734.1%
Annual growth 7.7%

8289 Fire Truck

Theme Technic
Year 2006
Pieces 1,036
Availability Retired
8289 LEGO Technic Fire Truck
Retail $74.99
Value $131.76
Growth  +75.7%
Annual growth 4.0%