The Feel The Burn set comes with 7 different fireplace inserts! There are two types of inserts – ones that go on the wall and standalone. Similar to windows, the fireplace wall inserts will cutout an area of the wall to give a built in look. The other fireplaces are wood stacks that function as if it were a full on fireplace! It even summons Father Winter! Use it to custom build your own fireplace. The objects do not need MOO to place and remain fully functional! This fireplaced come pre-installed with the fireproof upgrade to keep your simmies safe.