hi !
I want to make a scrolling or dropping menu that displays many k2 categories - sub category and items . it is possible to do this? or i should buy a ready module

K2_tools module will do a category list. that may work for you

thanks!that is i need.
i have many subcategories , it is possible to display them when i click on the category or scroll when i put mouse on it ?
and a second question is how can i put k2 item into subcategory joomla?