For a list of all items and upgrades within the Construction skill, see Construction/All milestones.
The Menagerie in a player-owned house is a room where pets can be stored, and various features to play with pets.
There are two versions of this room, an indoor and outdoor version; both of which can be created with 37 Construction and 30,000 coins. However, you can only have one menagerie at a time. At no cost players may switch to indoor or outdoor menageries.
There are 6 different hotspots available:
, Pet houses are constructed in upgrades: before a higher level pet house can be built, you must first build the one before it.
The arena serves as a way to have your pets “let off steam” by fighting each other. To use, simply use the desired pets on the arena. When two pets are placed inside, they will attack each other. This is simply for spectating as the pets placed inside can never kill each other.