[Closed] 3d animated objects maxscript

hello maxscripters

i need a maxscript that can add 3d animated objects to real scenes like this video

http://www.youtube.com/watch?v=agj3CBFP3HM&feature=player_embedded

(skip the beginning of the video and jump to the half of the slider,nearly)

the objects which appeared to the kids…have u seen them?
i need a maxscript that can do it

hope anyone can help!