I was thinking that it'd be cute to make a crochet toy kit.
You have enough patterns that you can print out (or you can use one the ones in the blog).
So print one, and add everything needed to make it:
Yarn and a little bit of stuffing (you probably have plenty of that!)
Plastic eyes or buttons
A little piece of felt, embroidery yarn and needle
Matching thread & sewing needle
A crochet hook.
It'd be cute to add a gift certificate for "all the help you need to crochet your..."
Then find a box around the house, make it pretty, and throw all the supplies, the pattern and the gift certificate in there :)