Party bag suggestions for 9 yr old girls

[basildonbond]

dd having about 20 (eek) mainly girls for a swimming party tomorrow

I have completely forgotten to do party bags ...

Not doing them is not an option unfortunately ...

So, I need suggestions please for things that won't break the bank but might actually be quite nice to receive (and which I can easily get on the high street as I've left it too late for the Internet to come to my rescue!

Pencils, erazors, note book, stickers, lollies, chips.

Diary, Pen, Lollies

Buy a pinata, fill with lollies and give each gest a bag to fill to take home.

Keyrings (all the 9-yr-old girls I know seem to have half a dozen clanking off their bookbags)
Chocolate!

thanks

chocolate, check
pencils, check
erasers, check

hadn't thought about keyrings but you're right - they all seem to have an insatiable thirst for them!