Supercharge

Pet Battle: [17-18] Winterspring

Pet Battle: Operation: Mechagon (Dungeon)

Pet Battle: [1-2] Dun Morogh

Drop: Tattered Gift Package

Zone: The Forbidden Reach (Zskera Vault)

Approximate Drop Rate: Unknown

Quest: Report to the King [10] (Alliance), Warning the Warchief [10] (Horde)

Zone: Stormwind, Orgrimmar

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

Drop: HK-8 Aerial Oppression Unit [??+]

Zone: Operation: Mechagon

Approximate Drop Rate: Unknown

Profession: Junkyard Tinkering

Taught By: [Blueprint: Microbot XD]

Zone: Mechagon

Pet Battle: [25] Mechagon

Profession: Cataclysm Engineering [25]

Taught By: Goblin Engineering Trainers

Drop: Void Reaver [??+]

Zone: Tempest Keep

Approximate Drop Rate: 1 in 13

Pet Battle: [1] Orgrimmar; [3-6] Azshara; [17-18] Winterspring

Drop: Assembly of Iron [??+]

Zone: Ulduar

Approximate Drop Rate: Unknown

Drop: Ketya's Stash

Zone: Talador [20-40]

Drop Rate: 1 in 1

Drop: Haywire Sunreaver Construct [35+]

Zone: Isle of Thunder

Approximate Drop Rate: 1 in 5

Drop: Magmatron [??+]

Zone: Blackwing Descent

Approximate Drop Rate: Unknown

Profession: Engineering [250]

Drop: Blingtron Gift Package

Approximate Drop Rate: 1 in 5000