In this economy crisis, making "bento / lunch" (lunch in a food container called "bento box") is trend in Japan. Not only making bento but also decorating food as anime characters like hello kitty, disney characters etc...There are tons of bento gadgets like egg shaper, onigiri mold, food cutters etc to make cute shapes like your kids love.

Here is list of bento blogs to get ideas!!

http://www.justbento.com
http://www.aibento.net