In 1996 LEGO released 7 Aquazone sets across 3 subthemes. The largest Aquazone set from 1996 was
6190 Shark's Crystal Cave with a piece count of 258 and a retail price of $49.99. The current estimated value of all these Aquazone sets from this year is about $987.04 which represents a 1088.4% growth.
Aquazone was an underwater theme introduced in 1995 that lasted until 1999 and contained five subthemes all of which took place in the ocean and typically involved two sides fighting each other for valuables such as Hydrolator Crystals. Aquazone was the second new theme after Pirates that was introduced after the initial three classic major themes Town, Castle, and Space from 1978.