Flimsy Yellow Balloon
Sold by Carl Goodup. As of 6.0.2 this version has become a Toy you can learn into your Toybox, however the remains a temporary summonable pet.
The 
Flimsy Yellow Balloon is a toy obtainable during the Darkmoon Faire world event from Carl Goodup.
Guide awaiting review
Purchase from Carl Goodup
Find Carl Goodup at 49.2, 76.4 in Darkmoon Island during the Darkmoon Faire event and purchase the Flimsy Yellow Balloon for 9 silver. Carl wanders along the faire's main path leading to the Darkmoon Boardwalk.
Learn into your Toybox
Use the Flimsy Yellow Balloon to learn it into your Toybox. As of patch 6.0.2, this balloon is a permanent toy you can summon anytime the Darkmoon Faire is active.
Tips
The balloon is temporary and only usable when the Darkmoon Faire is in town.
See video guides for visual reference on locating Carl Goodup and using the toy.
