Hi Darryl..! When i Create a level what should be linked to what?? Now that "dummie" that will be named seSector01 and the etc room01 should be linked to that but all the mesch in the room should it be linked to the seSector01 or to the room01 The childrens whould look like this: seSector01-->room01-->Object01 -->Object02 Or: seSector-->room01 -->Object01 -->Object02 //Yule <file://Yule>