Taken from the Official Scribblenauts website:

Using the Nintendo DS™ touch-screen, help Maxwell reach the starite by solving a series of puzzles. Catch the starite byt writing down any object you can think of and watch it come to life. Try another word and see a completely different scenario unfold. With your stylus and imagination, the possibilities are endless!

Scribblenauts places you, the player, in control of the world.

Unlock your imagination, September 2009