Image Item No. Description  6110-1 (Inv)  Solo Sub 18 Parts, 1 Minifigure, 1998 Catalog: Sets: Aquazone: Hydronauts  6150-1 (Inv)  Crystal Detector 97 Parts, 1 Minifigure, 1998 Catalog: Sets: Aquazone: Hydronauts  6159-1 (Inv)  Crystal Detector 97 Parts, 1 Minifigure, 1998 Catalog: Sets: Aquazone: Hydronauts  6180-1 (Inv)  Hydro Search Sub 271 Parts, 4 Minifigures, 1998 Catalog: Sets: Aquazone: Hydronauts  6199-1 (Inv)  Hydro Crystalization Station 449 Parts, 5 Minifigures, 1998 Catalog: Sets: Aquazone: Hydronauts