Mechanized Critters: WoW Battle Pets
Profession: Cataclysm Engineering [25]
Taught By: Gnomish Engineering Trainers
Quest: She's in a Happier Place [50] (Alliance), He's Dead, Jastor [50] (Horde)
Zone: Tiragarde Sound, Zuldazar
Profession: Battle for Azeroth Alchemy [50]
Drop: Quivering Sac after 7 days becomes [Grumbling Sac]
Approximate Drop Rate: Unknown
Prerequisite Quest: Rescue OOX-09/HL! [10]
Zone: The Hinterlands
Prerequisite Quest: Rescue OOX-22/FE! [15]
Zone: Feralas
Prerequisite Quest: Rescue OOX-17/TN! [15]
Zone: Tanaris
Quest: An OOX of Your Own
Zone: Booty Bay
Profession: Pandaria Engineering [50]
Taught By: Engineering Trainers
Profession: Draenor Engineering [1]
Taught By: [Schematic: Mechanical Scorpid]
Profession: Engineering [75]
Taught By: [Schematic: Mechanical Squirrel]
Profession: Battle for Azeroth Engineering [125]
Taught By: [Schematic: Mechantula]
Drop: Dookthar the Destroyer [50+]
Zone: Vol'dun
Approximate Drop Rate: 1 of 3 parts
Created From: [Craft Mechanical Gorilla]
Drop: Arachni [50+]
Zone: Vol'dun
Approximate Drop Rate: 1 of 3 parts
Created From: [Craft Mechanical Spider]