The Aquasharks are on the prowl, looking to defeat the heroic Aquanauts and control the undersea caves! Build this incredible submarine and aid the Aquashark in his search for new caves and crystals. Rebuild the shark sub into a number of alternate builds for a variety of undersea jobs! This set, released in 1995, is great for fans of the Aquasharks or for fans of older LEGO sets.