Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Tinkerwiz

Found in The Barrens.

Spell	Level	Skill	Cost
Handful of Copper Bolts		30	1 15
Rough Copper Bomb		30	1 30
Arclight Spanner		50	1 50
Copper Tube		50	1 50
Rough Boomstick		50	1 50
Crude Scope		60	2
Copper Modulator		65	2 25
Coarse Blasting Powder		75	2 50
Coarse Dynamite		75	2 50
Crafted Heavy Shot		75	2 50
Engineering (Apprentice)	5		10

Quest Level Side
Gnome Engineering 47 Alliance
Gnome Engineering 47 Horde
Goblin Engineering 47 Both
Zone Spawns Coordinates
The Barrens 1 62.7, 36.3