I will show you how to make a elevator in your house.
1.Click move furniture.
2.Put your wardrobe facing your wall.
3.Click done moving.
4.Walk into your wardrobe facing the wall.
5.You should be in a green world, then move furniture and put a mat where you standing.
6.Click done moving, then jump over the green.
7.Then move funiture and put a mat where your floating.
8.Click done moving and walk over more green and keep clicking F8.
Eventully you should in a grey world under your house.
Hope this works!
P.S if not go to http://www.youtube.com/watchv=OACY-9IvLZs&feature=related then type in toontown how to make elvators.