You can Full Inventory Stack with this pet!
How to get
A Limited Edition Pet  that comes with Monkey Bank, available for purchase for a Limited Time Pet and Decor Pack originally released on February 5th, 2016 and was available for 3 days. Prices varies from player to player. Price range is from $14.99-$31.99.
It is a type of decor that does an animation when you tap it.
Now you can get it at the Pet Sanctuary for 15x