Set Value (New/Sealed)

This chart represents the current new/sealed value of the set ETX Alien Mothership Assault since May 2016. Very high accuracy
LEGO 7691 ETX Alien Mothership Assault was a 434 piece Space set with 7 minifigs released in 2007. It consists of a detachable Alien Mothership, defense station, air pump system, 4 foam missiles, 2 astronauts, and 5 glow-in-the-dark aliens.

It was retired in September 2008 with a lifespan of 11 months. The current value for a new and sealed ETX Alien Mothership Assault is estimated at $255 with an average yearly gain of about 5% which is lower than other Mars Mission sets. On the open market, a used set will fetch in the range of between $104 and $128 depending on the condition.

For Sale (New/Sealed)

(DE) =New and sealed in perfect Condition=
$217.10
-14.8%
(DE) LEGO Space Set 7691 ETX Alien Mothership Assault Neu & Versiegelt
$249.00
-2.3%
(US) Amazon listing for ETX Alien Mothership Assault
~$267.66
+5.0%
(US) SEALED LEGO Mars Mission: ETX Alien Mothership Assault (7691)
BrickEconomy Choice
$300.00
+17.7%

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 7691 ETX Alien Mothership Assault.

Sets in Space / Mars Mission

Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 760 / 8
Availability Retired
7690 LEGO Mars Mission MB-01 Eagle Command Base
Retail $89.99
Value $479.13
Growth  432.4%
Annual growth 6.8%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 635 / 5
Availability Retired
7699 LEGO Mars Mission MT-101 Armored Drilling Unit
Retail $79.99
Value $220.41
Growth  175.5%
Annual growth 5.6%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 435 / 6
Availability Retired
7692 LEGO Mars Mission MX-71 Recon Dropship
Retail $39.99
Value $210.00
Growth  425.1%
Annual growth 8.7%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 374 / 3
Availability Retired
7697 LEGO Mars Mission MT-51 Claw-Tank Ambush
Retail $29.99
Value $120.39
Growth  301.4%
Annual growth 5.6%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 246 / 3
Availability Retired
7693 LEGO Mars Mission ETX Alien Strike
Retail $19.99
Value $210.79
Growth  954.5%
Annual growth 11.7%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 95 / 2
Availability Retired
7694 LEGO Mars Mission MT-31 Trike
Retail $9.99
Value $78.28
Growth  683.6%
Annual growth 9.1%
Theme / Subtheme Space / Mars Mission
Year 2007
Pieces / Minifigs 57 / 2
Availability Retired
7695 LEGO Mars Mission MX-11 Astro Fighter
Retail $4.99
Value $41.49
Growth  731.5%
Annual growth 8.0%
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Beware the Alien Mothership!

It's the ultimate 4-in-1 alien strike ship! With its advanced weaponry, firing missile and three detachable attack vehicles, the giant ETX Alien Mothership will stop at nothing to steal energy crystals from the Mars Mission team. Can the astronauts fight back with their defense station's launching air-powered missiles?

Includes separating Alien Mothership, defense station, air pump system and 4 foam missiles that are safe for play!
Includes 2 astronauts and 5 glow-in-the-dark alien minifigures!
Push down on the air pump system to fire the foam missiles!
Move the drill back and forth to find energy crystals!
Alien Mothership has a launcher that really fires!
Description provided by LEGO©