Description:
BF2:Sandbox (58.5 mb) is a mod that lets you use the BF2 engine to build structures, set up racetracks, ramps, and much much more. This is all done from an easy Command Rose interface in-game.
Have not used it yet. Just another interesting tool for all you modders.
http://www.totalbf2.com/forums/showthread.php?t=89079