LEGO 7775 Aquabase Invasion is a Aqua Raiders set valued at $393 for new and sealed sets, up 461% from an original retail price of $69.99. The set retired in September 2008 with annual appreciation averaging 6.69% since. Used copies are valued between $118 and $170 depending on condition. Secondary market prices for new and sealed sets typically fall between $364 and $430.
LEGO 7775 Aquabase Invasion is an Aqua Raiders set released in 2007, containing 840 pieces and 5 minifigures. The set builds an underwater headquarters with a control room, docking areas, and defense elements including harpoon cannons, accompanied by a mini-sub, exploration pod, underwater scooter, and an aqua-rocket. It also includes a giant squid creature, four diver minifigures, and a skeleton. This was the largest set in the Aqua Raiders theme and the only dedicated base.
A new and sealed Aquabase Invasion is currently valued at around $393, with annual growth of approximately 4%, which is lower than other Aqua Raiders sets. The average used price is $142 for those in good overall condition. Based on current trends, this set could be valued near $417 within the next year. The 5 included minifigs account for approximately 15% of the set's total value. The set was available for 11 months, from October 2007 to September 2008.