4 transmog appearances in Gnomeregan.
Bot Operator's TreadsMail Feet
Glitchbot HelmPlate HeadGnomebot Operating BootsLeather Feet
Grease-Smudged SashCloth Waist
Manual Crowd PummelerTwo-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Crowd Pummeler 9-60 this reset.