Tree Frog: how to get the pet in WoW Forever
Tree Frog is a companion pet from Classic that returns in World of Warcraft: Forever. You learn it from 
Tree Frog Box.
Tree Frog BoxUse: Teaches you how to summon this companion.Right Click to summon and dismiss your frog.
In short
| Item | Tree Frog Box |
| Source | Vendor: Flik |
| Where | Elwynn Forest and Mulgore |
| Price | 1 gold 5 silver 26 copper |
| New in Forever | no, from Classic |
| Account-wide | yes, according to Wowhead |
How to get it
Flik sells it in Elwynn Forest and Mulgore for 1 gold 5 silver 26 copper.
What changed since Classic
The item now teaches the pet: it becomes a spell and no longer takes a spot in your bags. Summoning it is instant instead of a 1 second cast, with a cooldown of 1.5 seconds.
Wowhead’s database marks the pet as account-wide: learned once, it would be there for every character. Blizzard has not confirmed that itself.
More pets from Flik
Every pet of WoW Forever, with where it comes from, is in the pet guide.
Frequently asked questions
How do you get Tree Frog in WoW Forever?
Flik sells it in Elwynn Forest and Mulgore for 1 gold 5 silver 26 copper.
Is Tree Frog new in WoW Forever?
No. Tree Frog was already in Classic and returns in WoW Forever.
Sources: Wowhead