Amazon are selling Super Scribblenauts for Nintendo DS for less than 4 quid delivered, looks a bargain to me.
Product Features :-
Adjective System - 10,000+ adjectives reflect real life behaviors, personalities and characteristics of the objects they are applied to
120 Brand New Levels - With more lengthy and in-depth experience and scenarios
Multi Layered Hints - Can't figure that puzzle out? Now you have an option to purchase more explicit hints
Dynamic Merit System - Dynamic merits during gameplay awarded upon the satisfaction of their criteria
Improved Controls - Use the D-pad or Stylus controls