In 2011, LEGO released 10 Space Alien Conquest sets, all of these sets have been retired. For that year, the total price of all retail sets cost $274, today those sets are valued around $1,065, a growth of 289%.
Most valuable 2011 LEGO Space Alien Conquest set
7066 Earth Defense HQ $293.70
Highest growth 2011 Space Alien Conquest set
7051 Tripod Invader +641.42%
10 sets

7049 Alien Striker

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 42 / 2
Availability Retired
7049 LEGO Alien Conquest Alien Striker
Retail $4.99
Value $32.32
Growth  +547.7%
Annual growth 9.2%

7050 Alien Defender

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 105 / 2
Availability Retired
7050 LEGO Alien Conquest Alien Defender
Retail $9.99
Value $49.58
Growth  +396.3%
Annual growth 8.2%

7051 Tripod Invader

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 165 / 2
Availability Retired
7051 LEGO Alien Conquest Tripod Invader
Retail $19.99
Value $148.21
Growth  +641.4%
Annual growth 11.3%

7052 UFO Abduction

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 211 / 3
Availability Retired
7052 LEGO Alien Conquest UFO Abduction
Retail $29.99
Value $166.83
Growth  +456.3%
Annual growth 9.1%

7065 Alien Mothership

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 416 / 2
Availability Retired
7065 LEGO Alien Conquest Alien Mothership
Retail $59.99
Value $170.64
Growth  +184.4%
Annual growth 7.4%

7066 Earth Defense HQ

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 875 / 5
Availability Retired
7066 LEGO Alien Conquest Earth Defense HQ
Retail $89.99
Value $293.70
Growth  +226.4%
Annual growth 6.4%

7067 Jet-Copter Encounter

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 375 / 3
Availability Retired
7067 LEGO Alien Conquest Jet-Copter Encounter
Retail $39.99
Value $136.89
Growth  +242.3%
Annual growth 6.7%

30140 ADU Walker

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 34 / 1
Availability Retired
30140 LEGO Alien Conquest ADU Walker
promotional
Value $8.86
Annual growth 8.7%

30141 Jetpack

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 19 / 1
Availability Retired
30141 LEGO Alien Conquest Jetpack
Retail $3.99
Value $9.70
Growth  +143.1%
Annual growth 6.2%

853301 Alien Conquest Battle Pack

Theme / Subtheme Space / Alien Conquest
Year 2011
Pieces / Minifigs 31 / 5
Availability Retired
853301 LEGO Alien Conquest Battle Pack
Retail $14.99
Value $48.65
Growth  +224.5%
Annual growth 8.0%